72227622051 has 24 divisors (see below), whose sum is σ = 115868118960. Its totient is φ = 44447764608.

The previous prime is 72227622031. The next prime is 72227622091. The reversal of 72227622051 is 15022672227.

72227622051 is a `hidden beast` number, since 7 + 2 + 2 + 27 + 622 + 0 + 5 + 1 = 666.

It is not a de Polignac number, because 72227622051 - 2⁹ = 72227621539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72227621997 and 72227622015.

It is not an unprimeable number, because it can be changed into a prime (72227622011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7909926 + ... + 7919051.

It is an arithmetic number, because the mean of its divisors is an integer number (4827838290).

Almost surely, 2^72227622051 is an apocalyptic number.

72227622051 is a deficient number, since it is larger than the sum of its proper divisors (43640496909).

72227622051 is a wasteful number, since it uses less digits than its factorization.

72227622051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15829012 (or 15828993 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 72227622051 in words is "seventy-two billion, two hundred twenty-seven million, six hundred twenty-two thousand, fifty-one".