22135500227 has 2 divisors, whose sum is σ = 22135500228. Its totient is φ = 22135500226.

The previous prime is 22135500221. The next prime is 22135500313. The reversal of 22135500227 is 72200553122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22135500227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22135500227.

It is not a weakly prime, because it can be changed into another prime (22135500221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11067750113 + 11067750114.

It is an arithmetic number, because the mean of its divisors is an integer number (11067750114).

Almost surely, 2^22135500227 is an apocalyptic number.

22135500227 is a deficient number, since it is larger than the sum of its proper divisors (1).

22135500227 is an equidigital number, since it uses as much as digits as its factorization.

22135500227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The spelling of 22135500227 in words is "twenty-two billion, one hundred thirty-five million, five hundred thousand, two hundred twenty-seven".