22534223200 has 72 divisors (see below), whose sum is σ = 56353502520. Its totient is φ = 8793830400.

The previous prime is 22534223189. The next prime is 22534223209. The reversal of 22534223200 is 232243522.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22534223209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310710 + ... + 376309.

It is an arithmetic number, because the mean of its divisors is an integer number (782687535).

Almost surely, 2^22534223200 is an apocalyptic number.

22534223200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22534223200 is an abundant number, since it is smaller than the sum of its proper divisors (33819279320).

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

22534223200 is a wasteful number, since it uses less digits than its factorization.

22534223200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687080 (or 687067 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 22534223200 its reverse (232243522), we get a palindrome (22766466722).

The spelling of 22534223200 in words is "twenty-two billion, five hundred thirty-four million, two hundred twenty-three thousand, two hundred".