22222042056 has 48 divisors (see below), whose sum is σ = 60198026460. Its totient is φ = 7405706880.

The previous prime is 22222042039. The next prime is 22222042057. The reversal of 22222042056 is 65024022222.

It can be written as a sum of positive squares in 2 ways, for example, as 22150368900 + 71673156 = 148830^2 + 8466^2 .

It is not an unprimeable number, because it can be changed into a prime (22222042057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318246 + ... + 381738.

Almost surely, 2^22222042056 is an apocalyptic number.

It is an amenable number.

22222042056 is an abundant number, since it is smaller than the sum of its proper divisors (37975984404).

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

22222042056 is a wasteful number, since it uses less digits than its factorization.

22222042056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68366 (or 68359 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 22222042056 its reverse (65024022222), we get a palindrome (87246064278).

The spelling of 22222042056 in words is "twenty-two billion, two hundred twenty-two million, forty-two thousand, fifty-six".