22177012964 has 6 divisors (see below), whose sum is σ = 38809772694. Its totient is φ = 11088506480.

The previous prime is 22177012961. The next prime is 22177012987. The reversal of 22177012964 is 46921077122.

It can be written as a sum of positive squares in only one way, i.e., 19776796900 + 2400216064 = 140630^2 + 48992^2 .

It is not an unprimeable number, because it can be changed into a prime (22177012961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2772126617 + ... + 2772126624.

It is an arithmetic number, because the mean of its divisors is an integer number (6468295449).

Almost surely, 2^22177012964 is an apocalyptic number.

It is an amenable number.

22177012964 is a deficient number, since it is larger than the sum of its proper divisors (16632759730).

22177012964 is a wasteful number, since it uses less digits than its factorization.

22177012964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5544253245 (or 5544253243 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 22177012964 in words is "twenty-two billion, one hundred seventy-seven million, twelve thousand, nine hundred sixty-four".