22502023200 has 216 divisors, whose sum is σ = 79451422596. Its totient is φ = 5992704000.

The previous prime is 22502023199. The next prime is 22502023211. The reversal of 22502023200 is 232020522.

It can be written as a sum of positive squares in 6 ways, for example, as 15285860496 + 7216162704 = 123636^2 + 84948^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7349670 + ... + 7352730.

Almost surely, 2^22502023200 is an apocalyptic number.

22502023200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22502023200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39725711298).

22502023200 is an abundant number, since it is smaller than the sum of its proper divisors (56949399396).

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

22502023200 is a wasteful number, since it uses less digits than its factorization.

22502023200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108 (or 4092 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

Adding to 22502023200 its reverse (232020522), we get a palindrome (22734043722).

The spelling of 22502023200 in words is "twenty-two billion, five hundred two million, twenty-three thousand, two hundred".