22522665145250 has 16 divisors (see below), whose sum is σ = 42162429152376. Its totient is φ = 9009066058000.

The previous prime is 22522665145241. The next prime is 22522665145259. The reversal of 22522665145250 is 5254156622522.

It is an interprime number because it is at equal distance from previous prime (22522665145241) and next prime (22522665145259).

It can be written as a sum of positive squares in 4 ways, for example, as 13734636124729 + 8788029020521 = 3706027^2 + 2964461^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22522665145195 and 22522665145204.

It is not an unprimeable number, because it can be changed into a prime (22522665145259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45045330041 + ... + 45045330540.

Almost surely, 2^{22522665145250} is an apocalyptic number.

22522665145250 is a deficient number, since it is larger than the sum of its proper divisors (19639764007126).

22522665145250 is an equidigital number, since it uses as much as digits as its factorization.

22522665145250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90090660598 (or 90090660588 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 47.

The spelling of 22522665145250 in words is "twenty-two trillion, five hundred twenty-two billion, six hundred sixty-five million, one hundred forty-five thousand, two hundred fifty".