22225891974 has 32 divisors (see below), whose sum is σ = 52223076864. Its totient is φ = 6217032480.

The previous prime is 22225891957. The next prime is 22225891997. The reversal of 22225891974 is 47919852222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12951294 + ... + 12953009.

It is an arithmetic number, because the mean of its divisors is an integer number (1631971152).

Almost surely, 2^22225891974 is an apocalyptic number.

22225891974 is an abundant number, since it is smaller than the sum of its proper divisors (29997184890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22225891974 is a wasteful number, since it uses less digits than its factorization.

22225891974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25904332.

The product of its digits is 1451520, while the sum is 51.

The spelling of 22225891974 in words is "twenty-two billion, two hundred twenty-five million, eight hundred ninety-one thousand, nine hundred seventy-four".