22155504132 has 24 divisors (see below), whose sum is σ = 51769110400. Its totient is φ = 7374748896.

The previous prime is 22155504103. The next prime is 22155504139. The reversal of 22155504132 is 23140555122.

It is a self number, because there is not a number n which added to its sum of digits gives 22155504132.

It is not an unprimeable number, because it can be changed into a prime (22155504139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1293532 + ... + 1310547.

Almost surely, 2^22155504132 is an apocalyptic number.

It is an amenable number.

22155504132 is an abundant number, since it is smaller than the sum of its proper divisors (29613606268).

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

22155504132 is a wasteful number, since it uses less digits than its factorization.

22155504132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604795 (or 2604793 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 22155504132 in words is "twenty-two billion, one hundred fifty-five million, five hundred four thousand, one hundred thirty-two".