22132207988 has 24 divisors (see below), whose sum is σ = 44476209120. Its totient is φ = 9530615520.

The previous prime is 22132207987. The next prime is 22132208011. The reversal of 22132207988 is 88970223122.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22132207987) 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, 13236131 + ... + 13237802.

It is an arithmetic number, because the mean of its divisors is an integer number (1853175380).

Almost surely, 2^22132207988 is an apocalyptic number.

It is an amenable number.

22132207988 is an abundant number, since it is smaller than the sum of its proper divisors (22344001132).

22132207988 is a wasteful number, since it uses less digits than its factorization.

22132207988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26473967 (or 26473965 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 22132207988 in words is "twenty-two billion, one hundred thirty-two million, two hundred seven thousand, nine hundred eighty-eight".