22502475250 has 16 divisors (see below), whose sum is σ = 42124634136. Its totient is φ = 9000990000.

The previous prime is 22502475227. The next prime is 22502475271. The reversal of 22502475250 is 5257420522.

It can be written as a sum of positive squares in 4 ways, for example, as 2398354729 + 20104120521 = 48973^2 + 141789^2 .

It is a super-2 number, since 2×22502475250² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45004701 + ... + 45005200.

Almost surely, 2^22502475250 is an apocalyptic number.

22502475250 is a deficient number, since it is larger than the sum of its proper divisors (19622158886).

22502475250 is an equidigital number, since it uses as much as digits as its factorization.

22502475250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90009918 (or 90009908 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 34.

Adding to 22502475250 its reverse (5257420522), we get a palindrome (27759895772).

The spelling of 22502475250 in words is "twenty-two billion, five hundred two million, four hundred seventy-five thousand, two hundred fifty".