22501236240234 has 12 divisors (see below), whose sum is σ = 48752678520546. Its totient is φ = 7500412080072.

The previous prime is 22501236240227. The next prime is 22501236240239. The reversal of 22501236240234 is 43204263210522.

22501236240234 is a `hidden beast` number, since 2 + 2 + 5 + 0 + 1 + 2 + 3 + 624 + 0 + 23 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17812915686225 + 4688320554009 = 4220535^2 + 2165253^2 .

It is not an unprimeable number, because it can be changed into a prime (22501236240239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 625034339989 + ... + 625034340024.

Almost surely, 2^{22501236240234} is an apocalyptic number.

22501236240234 is an abundant number, since it is smaller than the sum of its proper divisors (26251442280312).

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

22501236240234 is a wasteful number, since it uses less digits than its factorization.

22501236240234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250068680021 (or 1250068680018 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 22501236240234 its reverse (43204263210522), we get a palindrome (65705499450756).

The spelling of 22501236240234 in words is "twenty-two trillion, five hundred one billion, two hundred thirty-six million, two hundred forty thousand, two hundred thirty-four".