22509010887 has 16 divisors (see below), whose sum is σ = 32748644352. Its totient is φ = 13638381120.

The previous prime is 22509010879. The next prime is 22509010897. The reversal of 22509010887 is 78801090522.

It is not a de Polignac number, because 22509010887 - 2³ = 22509010879 is a prime.

It is a super-2 number, since 2×22509010887² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22509010897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49818 + ... + 217944.

It is an arithmetic number, because the mean of its divisors is an integer number (2046790272).

Almost surely, 2^22509010887 is an apocalyptic number.

22509010887 is a deficient number, since it is larger than the sum of its proper divisors (10239633465).

22509010887 is a wasteful number, since it uses less digits than its factorization.

22509010887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172198.

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 22509010887 in words is "twenty-two billion, five hundred nine million, ten thousand, eight hundred eighty-seven".