25338518022 has 16 divisors (see below), whose sum is σ = 50857384752. Its totient is φ = 8416114560.

The previous prime is 25338517979. The next prime is 25338518027. The reversal of 25338518022 is 22081583352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25338518027) 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, 7512703 + ... + 7516074.

It is an arithmetic number, because the mean of its divisors is an integer number (3178586547).

Almost surely, 2^25338518022 is an apocalyptic number.

25338518022 is an abundant number, since it is smaller than the sum of its proper divisors (25518866730).

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

25338518022 is a wasteful number, since it uses less digits than its factorization.

25338518022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15029063.

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 25338518022 in words is "twenty-five billion, three hundred thirty-eight million, five hundred eighteen thousand, twenty-two".