22021001124 has 48 divisors (see below), whose sum is σ = 51596375040. Its totient is φ = 7309815840.

The previous prime is 22021001099. The next prime is 22021001173. The reversal of 22021001124 is 42110012022.

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, 3542379 + ... + 3548589.

It is an arithmetic number, because the mean of its divisors is an integer number (1074924480).

Almost surely, 2^22021001124 is an apocalyptic number.

It is an amenable number.

22021001124 is an abundant number, since it is smaller than the sum of its proper divisors (29575373916).

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

22021001124 is a wasteful number, since it uses less digits than its factorization.

22021001124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7400 (or 7398 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22021001124 its reverse (42110012022), we get a palindrome (64131013146).

The spelling of 22021001124 in words is "twenty-two billion, twenty-one million, one thousand, one hundred twenty-four".