22752163287 has 72 divisors (see below), whose sum is σ = 38698339680. Its totient is φ = 12842686080.

The previous prime is 22752163277. The next prime is 22752163289. The reversal of 22752163287 is 78236125722.

22752163287 is a `hidden beast` number, since 2 + 2 + 7 + 5 + 2 + 1 + 632 + 8 + 7 = 666.

It is not a de Polignac number, because 22752163287 - 2⁶ = 22752163223 is a prime.

It is a super-3 number, since 3×22752163287³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22752163289) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 24178237 + ... + 24179177.

It is an arithmetic number, because the mean of its divisors is an integer number (537476940).

Almost surely, 2^22752163287 is an apocalyptic number.

22752163287 is a deficient number, since it is larger than the sum of its proper divisors (15946176393).

22752163287 is a wasteful number, since it uses less digits than its factorization.

22752163287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573 (or 1563 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The spelling of 22752163287 in words is "twenty-two billion, seven hundred fifty-two million, one hundred sixty-three thousand, two hundred eighty-seven".