222404056 has 16 divisors (see below), whose sum is σ = 476580240. Its totient is φ = 95316000.

The previous prime is 222404053. The next prime is 222404069. The reversal of 222404056 is 650404222.

222404056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222404056² = 98927128250502272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222404056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222404053) 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, 1985695 + ... + 1985806.

It is an arithmetic number, because the mean of its divisors is an integer number (29786265).

Almost surely, 2^222404056 is an apocalyptic number.

It is an amenable number.

222404056 is an abundant number, since it is smaller than the sum of its proper divisors (254176184).

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

222404056 is a wasteful number, since it uses less digits than its factorization.

222404056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971514 (or 3971510 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 222404056 is about 14913.2174932172. The cubic root of 222404056 is about 605.8720261886.

Adding to 222404056 its reverse (650404222), we get a palindrome (872808278).

The spelling of 222404056 in words is "two hundred twenty-two million, four hundred four thousand, fifty-six".