22213256264 has 16 divisors (see below), whose sum is σ = 41679023100. Its totient is φ = 11098850112.

The previous prime is 22213256189. The next prime is 22213256267. The reversal of 22213256264 is 46265231222.

It can be written as a sum of positive squares in 2 ways, for example, as 19499888164 + 2713368100 = 139642^2 + 52090^2 .

It is not an unprimeable number, because it can be changed into a prime (22213256267) 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, 960107 + ... + 982970.

Almost surely, 2^22213256264 is an apocalyptic number.

It is an amenable number.

22213256264 is a deficient number, since it is larger than the sum of its proper divisors (19465766836).

22213256264 is a wasteful number, since it uses less digits than its factorization.

22213256264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944512 (or 1944508 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

Adding to 22213256264 its reverse (46265231222), we get a palindrome (68478487486).

The spelling of 22213256264 in words is "twenty-two billion, two hundred thirteen million, two hundred fifty-six thousand, two hundred sixty-four".