22005626227 has 4 divisors (see below), whose sum is σ = 23698366720. Its totient is φ = 20312885736.

The previous prime is 22005626177. The next prime is 22005626263. The reversal of 22005626227 is 72262650022.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-22005626227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22005626192 and 22005626201.

It is not an unprimeable number, because it can be changed into a prime (22005626287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846370227 + ... + 846370252.

It is an arithmetic number, because the mean of its divisors is an integer number (5924591680).

Almost surely, 2^22005626227 is an apocalyptic number.

22005626227 is a deficient number, since it is larger than the sum of its proper divisors (1692740493).

22005626227 is a wasteful number, since it uses less digits than its factorization.

22005626227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692740492.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 22005626227 in words is "twenty-two billion, five million, six hundred twenty-six thousand, two hundred twenty-seven".