22400431202 has 4 divisors (see below), whose sum is σ = 33600646806. Its totient is φ = 11200215600.

The previous prime is 22400431181. The next prime is 22400431211. The reversal of 22400431202 is 20213400422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20955747121 + 1444684081 = 144761^2 + 38009^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600107799 + ... + 5600107802.

Almost surely, 2^22400431202 is an apocalyptic number.

22400431202 is a deficient number, since it is larger than the sum of its proper divisors (11200215604).

22400431202 is a wasteful number, since it uses less digits than its factorization.

22400431202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11200215603.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22400431202 its reverse (20213400422), we get a palindrome (42613831624).

The spelling of 22400431202 in words is "twenty-two billion, four hundred million, four hundred thirty-one thousand, two hundred two".