22132312040 has 32 divisors (see below), whose sum is σ = 49846095360. Its totient is φ = 8844321600.

The previous prime is 22132312031. The next prime is 22132312063. The reversal of 22132312040 is 4021323122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227096 + ... + 309575.

It is an arithmetic number, because the mean of its divisors is an integer number (1557690480).

Almost surely, 2^22132312040 is an apocalyptic number.

22132312040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22132312040 is an abundant number, since it is smaller than the sum of its proper divisors (27713783320).

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

22132312040 is a wasteful number, since it uses less digits than its factorization.

22132312040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537713 (or 537709 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22132312040 its reverse (4021323122), we get a palindrome (26153635162).

The spelling of 22132312040 in words is "twenty-two billion, one hundred thirty-two million, three hundred twelve thousand, forty".