22120402404 has 12 divisors (see below), whose sum is σ = 51614272304. Its totient is φ = 7373467464.

The previous prime is 22120402391. The next prime is 22120402417. The reversal of 22120402404 is 40420402122.

It is an interprime number because it is at equal distance from previous prime (22120402391) and next prime (22120402417).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921683422 + ... + 921683445.

Almost surely, 2^22120402404 is an apocalyptic number.

It is an amenable number.

22120402404 is an abundant number, since it is smaller than the sum of its proper divisors (29493869900).

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

22120402404 is a wasteful number, since it uses less digits than its factorization.

22120402404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843366874 (or 1843366872 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 22120402404 its reverse (40420402122), we get a palindrome (62540804526).

The spelling of 22120402404 in words is "twenty-two billion, one hundred twenty million, four hundred two thousand, four hundred four".