22252137828 has 48 divisors (see below), whose sum is σ = 55279695744. Its totient is φ = 6942481920.

The previous prime is 22252137797. The next prime is 22252137833. The reversal of 22252137828 is 82873125222.

It is a self number, because there is not a number n which added to its sum of digits gives 22252137828.

It is an unprimeable number.

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, 264400 + ... + 338247.

It is an arithmetic number, because the mean of its divisors is an integer number (1151660328).

Almost surely, 2^22252137828 is an apocalyptic number.

It is an amenable number.

22252137828 is an abundant number, since it is smaller than the sum of its proper divisors (33027557916).

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

22252137828 is a wasteful number, since it uses less digits than its factorization.

22252137828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602852 (or 602850 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The spelling of 22252137828 in words is "twenty-two billion, two hundred fifty-two million, one hundred thirty-seven thousand, eight hundred twenty-eight".