22431422404 has 6 divisors (see below), whose sum is σ = 39254989214. Its totient is φ = 11215711200.

The previous prime is 22431422399. The next prime is 22431422437. The reversal of 22431422404 is 40422413422.

It can be written as a sum of positive squares in only one way, i.e., 21096981504 + 1334440900 = 145248^2 + 36530^2 .

It is a super-2 number, since 2×22431422404² (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, 2803927797 + ... + 2803927804.

Almost surely, 2^22431422404 is an apocalyptic number.

It is an amenable number.

22431422404 is a deficient number, since it is larger than the sum of its proper divisors (16823566810).

22431422404 is a wasteful number, since it uses less digits than its factorization.

22431422404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5607855605 (or 5607855603 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 22431422404 its reverse (40422413422), we get a palindrome (62853835826).

It can be divided in two parts, 224 and 31422404, that added together give a triangular number (31422628 = T₇₉₂₇).

The spelling of 22431422404 in words is "twenty-two billion, four hundred thirty-one million, four hundred twenty-two thousand, four hundred four".