2563222572 has 18 divisors (see below), whose sum is σ = 6479257148. Its totient is φ = 854407512.

The previous prime is 2563222559. The next prime is 2563222577. The reversal of 2563222572 is 2752223652.

2563222572 is a `hidden beast` number, since 2 + 5 + 63 + 2 + 22 + 572 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2563222572² = 13140219907220590368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 71200627 = 2563222572 / (2 + 5 + 6 + 3 + 2 + 2 + 2 + 5 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (2563222577) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35600278 + ... + 35600349.

Almost surely, 2^2563222572 is an apocalyptic number.

It is an amenable number.

2563222572 is an abundant number, since it is smaller than the sum of its proper divisors (3916034576).

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

2563222572 is a wasteful number, since it uses less digits than its factorization.

2563222572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71200637 (or 71200632 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 2563222572 is about 50628.2783827378. The cubic root of 2563222572 is about 1368.5545292139.

The spelling of 2563222572 in words is "two billion, five hundred sixty-three million, two hundred twenty-two thousand, five hundred seventy-two".