22133100550 has 48 divisors (see below), whose sum is σ = 44931392064. Its totient is φ = 8044580000.

The previous prime is 22133100511. The next prime is 22133100667. The reversal of 22133100550 is 5500133122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1317705 + ... + 1334395.

It is an arithmetic number, because the mean of its divisors is an integer number (936070668).

Almost surely, 2^22133100550 is an apocalyptic number.

22133100550 is an abundant number, since it is smaller than the sum of its proper divisors (22798291514).

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

22133100550 is a wasteful number, since it uses less digits than its factorization.

22133100550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19125 (or 19120 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 22133100550 its reverse (5500133122), we get a palindrome (27633233672).

The spelling of 22133100550 in words is "twenty-two billion, one hundred thirty-three million, one hundred thousand, five hundred fifty".