22140423204 has 24 divisors (see below), whose sum is σ = 51700732608. Its totient is φ = 7374463200.

The previous prime is 22140423203. The next prime is 22140423223. The reversal of 22140423204 is 40232404122.

It is not an unprimeable number, because it can be changed into a prime (22140423203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693472 + ... + 724695.

It is an arithmetic number, because the mean of its divisors is an integer number (2154197192).

Almost surely, 2^22140423204 is an apocalyptic number.

It is an amenable number.

22140423204 is an abundant number, since it is smaller than the sum of its proper divisors (29560309404).

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

22140423204 is a wasteful number, since it uses less digits than its factorization.

22140423204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419475 (or 1419473 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22140423204 its reverse (40232404122), we get a palindrome (62372827326).

The spelling of 22140423204 in words is "twenty-two billion, one hundred forty million, four hundred twenty-three thousand, two hundred four".