22051552200 has 96 divisors (see below), whose sum is σ = 69036831360. Its totient is φ = 5822176000.

The previous prime is 22051552181. The next prime is 22051552207. The reversal of 22051552200 is 225515022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (22051552207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121344 + ... + 242543.

It is an arithmetic number, because the mean of its divisors is an integer number (719133660).

Almost surely, 2^22051552200 is an apocalyptic number.

22051552200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22051552200 is an abundant number, since it is smaller than the sum of its proper divisors (46985279160).

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

22051552200 is a wasteful number, since it uses less digits than its factorization.

22051552200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364007 (or 363998 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The spelling of 22051552200 in words is "twenty-two billion, fifty-one million, five hundred fifty-two thousand, two hundred".