22552525251 has 16 divisors (see below), whose sum is σ = 33413867520. Its totient is φ = 15033793320.

The previous prime is 22552525241. The next prime is 22552525279. The reversal of 22552525251 is 15252525522.

22552525251 is a `hidden beast` number, since 2 + 2 + 552 + 5 + 2 + 52 + 51 = 666.

It is not a de Polignac number, because 22552525251 - 2²¹ = 22550428099 is a prime.

It is a super-2 number, since 2×22552525251² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22552525241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408846 + ... + 460716.

It is an arithmetic number, because the mean of its divisors is an integer number (2088366720).

Almost surely, 2^22552525251 is an apocalyptic number.

22552525251 is a deficient number, since it is larger than the sum of its proper divisors (10861342269).

22552525251 is a wasteful number, since it uses less digits than its factorization.

22552525251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67983 (or 67977 counting only the distinct ones).

The product of its digits is 100000, while the sum is 36.

The spelling of 22552525251 in words is "twenty-two billion, five hundred fifty-two million, five hundred twenty-five thousand, two hundred fifty-one".