223444444 has 6 divisors (see below), whose sum is σ = 391027784. Its totient is φ = 111722220.

The previous prime is 223444409. The next prime is 223444453. The reversal of 223444444 is 444444322.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27930552 + ... + 27930559.

Almost surely, 2^223444444 is an apocalyptic number.

It is an amenable number.

223444444 is a deficient number, since it is larger than the sum of its proper divisors (167583340).

223444444 is a wasteful number, since it uses less digits than its factorization.

223444444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55861115 (or 55861113 counting only the distinct ones).

The product of its digits is 49152, while the sum is 31.

The square root of 223444444 is about 14948.0582016528. The cubic root of 223444444 is about 606.8152968094.

Adding to 223444444 its reverse (444444322), we get a palindrome (667888766).

The spelling of 223444444 in words is "two hundred twenty-three million, four hundred forty-four thousand, four hundred forty-four".