22033231006564 has 6 divisors (see below), whose sum is σ = 38558154261494. Its totient is φ = 11016615503280.

The previous prime is 22033231006547. The next prime is 22033231006603. The reversal of 22033231006564 is 46560013233022.

It can be written as a sum of positive squares in only one way, i.e., 21566810304064 + 466420702500 = 4644008^2 + 682950^2 .

It is a super-2 number, since 2×22033231006564² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2754153875817 + ... + 2754153875824.

Almost surely, 2^{22033231006564} is an apocalyptic number.

It is an amenable number.

22033231006564 is a deficient number, since it is larger than the sum of its proper divisors (16524923254930).

22033231006564 is a wasteful number, since it uses less digits than its factorization.

22033231006564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5508307751645 (or 5508307751643 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 37.

Adding to 22033231006564 its reverse (46560013233022), we get a palindrome (68593244239586).

The spelling of 22033231006564 in words is "twenty-two trillion, thirty-three billion, two hundred thirty-one million, six thousand, five hundred sixty-four".