264222662564 has 18 divisors (see below), whose sum is σ = 537881849190. Its totient is φ = 113238283872.

The previous prime is 264222662531. The next prime is 264222662593. The reversal of 264222662564 is 465266222462.

It can be written as a sum of positive squares in only one way, i.e., 262051848100 + 2170814464 = 511910^2 + 46592^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 674037209 + ... + 674037600.

It is an arithmetic number, because the mean of its divisors is an integer number (29882324955).

Almost surely, 2^264222662564 is an apocalyptic number.

It is an amenable number.

264222662564 is an abundant number, since it is smaller than the sum of its proper divisors (273659186626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264222662564 is a wasteful number, since it uses less digits than its factorization.

264222662564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348074827 (or 1348074818 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 47.

The spelling of 264222662564 in words is "two hundred sixty-four billion, two hundred twenty-two million, six hundred sixty-two thousand, five hundred sixty-four".