22222890165 has 16 divisors (see below), whose sum is σ = 40636142208. Its totient is φ = 10159035456.

The previous prime is 22222890133. The next prime is 22222890167. The reversal of 22222890165 is 56109822222.

It is not a de Polignac number, because 22222890165 - 2⁵ = 22222890133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222890167) 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 15 ways as a sum of consecutive naturals, for example, 105823182 + ... + 105823391.

It is an arithmetic number, because the mean of its divisors is an integer number (2539758888).

Almost surely, 2^22222890165 is an apocalyptic number.

It is an amenable number.

22222890165 is a deficient number, since it is larger than the sum of its proper divisors (18413252043).

22222890165 is a wasteful number, since it uses less digits than its factorization.

22222890165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211646588.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 22222890165 in words is "twenty-two billion, two hundred twenty-two million, eight hundred ninety thousand, one hundred sixty-five".