222939456 has 28 divisors (see below), whose sum is σ = 589861152. Its totient is φ = 74313088.

The previous prime is 222939449. The next prime is 222939481. The reversal of 222939456 is 654939222.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 580380 + ... + 580763.

Almost surely, 2^222939456 is an apocalyptic number.

It is an amenable number.

222939456 is an abundant number, since it is smaller than the sum of its proper divisors (366921696).

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

222939456 is a wasteful number, since it uses less digits than its factorization.

222939456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161158 (or 1161148 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 222939456 is about 14931.1572223991. The cubic root of 222939456 is about 606.3578145873.

The spelling of 222939456 in words is "two hundred twenty-two million, nine hundred thirty-nine thousand, four hundred fifty-six".