22212104402 has 24 divisors (see below), whose sum is σ = 34971761664. Its totient is φ = 10575914832.

The previous prime is 22212104351. The next prime is 22212104471. The reversal of 22212104402 is 20440121222.

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, 42383 + ... + 214989.

It is an arithmetic number, because the mean of its divisors is an integer number (1457156736).

Almost surely, 2^22212104402 is an apocalyptic number.

22212104402 is a deficient number, since it is larger than the sum of its proper divisors (12759657262).

22212104402 is a wasteful number, since it uses less digits than its factorization.

22212104402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172730 (or 172693 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22212104402 its reverse (20440121222), we get a palindrome (42652225624).

The spelling of 22212104402 in words is "twenty-two billion, two hundred twelve million, one hundred four thousand, four hundred two".