22011013264 has 20 divisors (see below), whose sum is σ = 43023742956. Its totient is φ = 10908111872.

The previous prime is 22011013231. The next prime is 22011013301. The reversal of 22011013264 is 46231011022.

It can be written as a sum of positive squares in 2 ways, for example, as 1764000000 + 20247013264 = 42000^2 + 142292^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6085309 + ... + 6088924.

Almost surely, 2^22011013264 is an apocalyptic number.

It is an amenable number.

22011013264 is a deficient number, since it is larger than the sum of its proper divisors (21012729692).

22011013264 is a wasteful number, since it uses less digits than its factorization.

22011013264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12174354 (or 12174348 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22011013264 its reverse (46231011022), we get a palindrome (68242024286).

The spelling of 22011013264 in words is "twenty-two billion, eleven million, thirteen thousand, two hundred sixty-four".