222242404056 has 32 divisors (see below), whose sum is σ = 555674696640. Its totient is φ = 74071643168.

The previous prime is 222242404019. The next prime is 222242404067. The reversal of 222242404056 is 650404242222.

It is a happy number.

It is a super-2 number, since 2×222242404056² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372786 + ... + 763841.

It is an arithmetic number, because the mean of its divisors is an integer number (17364834270).

Almost surely, 2^222242404056 is an apocalyptic number.

It is an amenable number.

222242404056 is an abundant number, since it is smaller than the sum of its proper divisors (333432292584).

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

222242404056 is a wasteful number, since it uses less digits than its factorization.

222242404056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144783 (or 1144779 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 222242404056 its reverse (650404242222), we get a palindrome (872646646278).

The spelling of 222242404056 in words is "two hundred twenty-two billion, two hundred forty-two million, four hundred four thousand, fifty-six".