22775642850 has 24 divisors (see below), whose sum is σ = 56483594640. Its totient is φ = 6073504720.

The previous prime is 22775642833. The next prime is 22775642891. The reversal of 22775642850 is 5824657722.

It is a super-2 number, since 2×22775642850² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22775642850.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75918660 + ... + 75918959.

It is an arithmetic number, because the mean of its divisors is an integer number (2353483110).

Almost surely, 2^22775642850 is an apocalyptic number.

22775642850 is an abundant number, since it is smaller than the sum of its proper divisors (33707951790).

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

22775642850 is a wasteful number, since it uses less digits than its factorization.

22775642850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151837634 (or 151837629 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 48.

The spelling of 22775642850 in words is "twenty-two billion, seven hundred seventy-five million, six hundred forty-two thousand, eight hundred fifty".