22611287168 has 24 divisors (see below), whose sum is σ = 45049313115. Its totient is φ = 11304792960.

The previous prime is 22611287131. The next prime is 22611287173. The reversal of 22611287168 is 86178211622.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 11305643584 + 11305643584 = 106328^2 + 106328^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106328.

It is a super-2 number, since 2×22611287168² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1694603 + ... + 1707893.

Almost surely, 2^22611287168 is an apocalyptic number.

It is an amenable number.

22611287168 is a deficient number, since it is larger than the sum of its proper divisors (22438025947).

22611287168 is an frugal number, since it uses more digits than its factorization.

22611287168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26596 (or 13293 counting only the distinct ones).

The product of its digits is 129024, while the sum is 44.

The spelling of 22611287168 in words is "twenty-two billion, six hundred eleven million, two hundred eighty-seven thousand, one hundred sixty-eight".