23422004440 has 32 divisors (see below), whose sum is σ = 53820780480. Its totient is φ = 9169464832.

The previous prime is 23422004429. The next prime is 23422004447. The reversal of 23422004440 is 4440022432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23422004447) 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, 6227377 + ... + 6231136.

It is an arithmetic number, because the mean of its divisors is an integer number (1681899390).

Almost surely, 2^23422004440 is an apocalyptic number.

23422004440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23422004440 is an abundant number, since it is smaller than the sum of its proper divisors (30398776040).

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

23422004440 is a wasteful number, since it uses less digits than its factorization.

23422004440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12458571 (or 12458567 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 23422004440 its reverse (4440022432), we get a palindrome (27862026872).

The spelling of 23422004440 in words is "twenty-three billion, four hundred twenty-two million, four thousand, four hundred forty".