22132575987 has 8 divisors (see below), whose sum is σ = 29510933760. Its totient is φ = 14754634440.

The previous prime is 22132575947. The next prime is 22132575989. The reversal of 22132575987 is 78957523122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22132575987 - 2²⁷ = 21998358259 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22132575989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54562 + ... + 217352.

It is an arithmetic number, because the mean of its divisors is an integer number (3688866720).

Almost surely, 2^22132575987 is an apocalyptic number.

22132575987 is a deficient number, since it is larger than the sum of its proper divisors (7378357773).

22132575987 is a wasteful number, since it uses less digits than its factorization.

22132575987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208113.

The product of its digits is 2116800, while the sum is 51.

The spelling of 22132575987 in words is "twenty-two billion, one hundred thirty-two million, five hundred seventy-five thousand, nine hundred eighty-seven".