22025100091 has 6 divisors (see below), whose sum is σ = 23396905940. Its totient is φ = 20729505696.

The previous prime is 22025100073. The next prime is 22025100103. The reversal of 22025100091 is 19000152022.

It is not a de Polignac number, because 22025100091 - 2⁷ = 22025099963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22025100491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38105421 + ... + 38105998.

Almost surely, 2^22025100091 is an apocalyptic number.

22025100091 is a deficient number, since it is larger than the sum of its proper divisors (1371805849).

22025100091 is an equidigital number, since it uses as much as digits as its factorization.

22025100091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76211453 (or 76211436 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The spelling of 22025100091 in words is "twenty-two billion, twenty-five million, one hundred thousand, ninety-one".