22525031250 has 126 divisors (see below), whose sum is σ = 61220837457. Its totient is φ = 5985450000.

The previous prime is 22525031219. The next prime is 22525031257. The reversal of 22525031250 is 5213052522.

22525031250 is a `hidden beast` number, since 2 + 252 + 50 + 312 + 50 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3841148529 + 18683882721 = 61977^2 + 136689^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106125.

It is not an unprimeable number, because it can be changed into a prime (22525031257) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 79593609 + ... + 79593891.

Almost surely, 2^22525031250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22525031250

22525031250 is an abundant number, since it is smaller than the sum of its proper divisors (38695806207).

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

22525031250 is an frugal number, since it uses more digits than its factorization.

22525031250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 22525031250 its reverse (5213052522), we get a palindrome (27738083772).

The spelling of 22525031250 in words is "twenty-two billion, five hundred twenty-five million, thirty-one thousand, two hundred fifty".