22727275251 has 8 divisors (see below), whose sum is σ = 30310612224. Its totient is φ = 15147727560.

The previous prime is 22727275237. The next prime is 22727275261. The reversal of 22727275251 is 15257272722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22727275251 - 2²⁷ = 22593057523 is a prime.

It is a super-2 number, since 2×22727275251² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22727275261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933295 + ... + 957336.

It is an arithmetic number, because the mean of its divisors is an integer number (3788826528).

Almost surely, 2^22727275251 is an apocalyptic number.

22727275251 is a deficient number, since it is larger than the sum of its proper divisors (7583336973).

22727275251 is a wasteful number, since it uses less digits than its factorization.

22727275251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894641.

The product of its digits is 274400, while the sum is 42.

The spelling of 22727275251 in words is "twenty-two billion, seven hundred twenty-seven million, two hundred seventy-five thousand, two hundred fifty-one".