223929944 has 16 divisors (see below), whose sum is σ = 479850000. Its totient is φ = 95969952.

The previous prime is 223929943. The next prime is 223929947. The reversal of 223929944 is 449929322.

223929944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 223929895 and 223929904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223929943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1999319 + ... + 1999430.

It is an arithmetic number, because the mean of its divisors is an integer number (29990625).

Almost surely, 2^223929944 is an apocalyptic number.

It is an amenable number.

223929944 is an abundant number, since it is smaller than the sum of its proper divisors (255920056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223929944 is a wasteful number, since it uses less digits than its factorization.

223929944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3998762 (or 3998758 counting only the distinct ones).

The product of its digits is 279936, while the sum is 44.

The square root of 223929944 is about 14964.2889573812. The cubic root of 223929944 is about 607.2544748936.

The spelling of 223929944 in words is "two hundred twenty-three million, nine hundred twenty-nine thousand, nine hundred forty-four".