23222440472 has 32 divisors (see below), whose sum is σ = 54286225920. Its totient is φ = 9047703840.

The previous prime is 23222440459. The next prime is 23222440477. The reversal of 23222440472 is 27404422232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23222440477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18848768 + ... + 18849999.

It is an arithmetic number, because the mean of its divisors is an integer number (1696444560).

Almost surely, 2^23222440472 is an apocalyptic number.

23222440472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23222440472 is an abundant number, since it is smaller than the sum of its proper divisors (31063785448).

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

23222440472 is a wasteful number, since it uses less digits than its factorization.

23222440472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37698791 (or 37698787 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 32.

The spelling of 23222440472 in words is "twenty-three billion, two hundred twenty-two million, four hundred forty thousand, four hundred seventy-two".