22490022879 has 24 divisors (see below), whose sum is σ = 33615670400. Its totient is φ = 14474142720.

The previous prime is 22490022871. The next prime is 22490022881. The reversal of 22490022879 is 97822009422.

It is not a de Polignac number, because 22490022879 - 2³ = 22490022871 is a prime.

It is a super-2 number, since 2×22490022879² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22490022871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15567 + ... + 212655.

Almost surely, 2^22490022879 is an apocalyptic number.

22490022879 is a deficient number, since it is larger than the sum of its proper divisors (11125647521).

22490022879 is a wasteful number, since it uses less digits than its factorization.

22490022879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197535 (or 197532 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 22490022879 in words is "twenty-two billion, four hundred ninety million, twenty-two thousand, eight hundred seventy-nine".