22051566404 has 48 divisors (see below), whose sum is σ = 44426231808. Its totient is φ = 9381680928.

The previous prime is 22051566379. The next prime is 22051566451. The reversal of 22051566404 is 40466515022.

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, 2286737 + ... + 2296359.

It is an arithmetic number, because the mean of its divisors is an integer number (925546496).

Almost surely, 2^22051566404 is an apocalyptic number.

It is an amenable number.

22051566404 is an abundant number, since it is smaller than the sum of its proper divisors (22374665404).

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

22051566404 is a wasteful number, since it uses less digits than its factorization.

22051566404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10224 (or 10222 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 22051566404 in words is "twenty-two billion, fifty-one million, five hundred sixty-six thousand, four hundred four".