22620258091 has 2 divisors, whose sum is σ = 22620258092. Its totient is φ = 22620258090.

The previous prime is 22620258079. The next prime is 22620258169. The reversal of 22620258091 is 19085202622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22620258091 - 2⁷ = 22620257963 is a prime.

It is a super-2 number, since 2×22620258091² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22620258091.

It is not a weakly prime, because it can be changed into another prime (22620258041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11310129045 + 11310129046.

It is an arithmetic number, because the mean of its divisors is an integer number (11310129046).

Almost surely, 2^22620258091 is an apocalyptic number.

22620258091 is a deficient number, since it is larger than the sum of its proper divisors (1).

22620258091 is an equidigital number, since it uses as much as digits as its factorization.

22620258091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 22620258091 in words is "twenty-two billion, six hundred twenty million, two hundred fifty-eight thousand, ninety-one".