22431400204 has 6 divisors (see below), whose sum is σ = 39254950364. Its totient is φ = 11215700100.

The previous prime is 22431400181. The next prime is 22431400237. The reversal of 22431400204 is 40200413422.

It is a happy number.

It is a super-2 number, since 2×22431400204² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2803925022 + ... + 2803925029.

Almost surely, 2^22431400204 is an apocalyptic number.

It is an amenable number.

22431400204 is a deficient number, since it is larger than the sum of its proper divisors (16823550160).

22431400204 is a wasteful number, since it uses less digits than its factorization.

22431400204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5607850055 (or 5607850053 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22431400204 its reverse (40200413422), we get a palindrome (62631813626).

The spelling of 22431400204 in words is "twenty-two billion, four hundred thirty-one million, four hundred thousand, two hundred four".