222957924 has 96 divisors (see below), whose sum is σ = 644345856. Its totient is φ = 58544640.

The previous prime is 222957901. The next prime is 222957937. The reversal of 222957924 is 429759222.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59589 + ... + 63219.

It is an arithmetic number, because the mean of its divisors is an integer number (6711936).

Almost surely, 2^222957924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222957924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322172928).

222957924 is an abundant number, since it is smaller than the sum of its proper divisors (421387932).

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

222957924 is a wasteful number, since it uses less digits than its factorization.

222957924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705 (or 3703 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 222957924 is about 14931.7756479261. The cubic root of 222957924 is about 606.3745574093.

The spelling of 222957924 in words is "two hundred twenty-two million, nine hundred fifty-seven thousand, nine hundred twenty-four".