22418324572 has 36 divisors (see below), whose sum is σ = 47621543760. Its totient is φ = 9190118784.

The previous prime is 22418324569. The next prime is 22418324581. The reversal of 22418324572 is 27542381422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2481997 + ... + 2491012.

It is an arithmetic number, because the mean of its divisors is an integer number (1322820660).

Almost surely, 2^22418324572 is an apocalyptic number.

It is an amenable number.

22418324572 is an abundant number, since it is smaller than the sum of its proper divisors (25203219188).

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

22418324572 is a wasteful number, since it uses less digits than its factorization.

22418324572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4973050 (or 4973041 counting only the distinct ones).

The product of its digits is 215040, while the sum is 40.

The spelling of 22418324572 in words is "twenty-two billion, four hundred eighteen million, three hundred twenty-four thousand, five hundred seventy-two".