25225170884 has 12 divisors (see below), whose sum is σ = 44147841024. Its totient is φ = 12611502024.

The previous prime is 25225170881. The next prime is 25225170889. The reversal of 25225170884 is 48807152252.

It is a super-2 number, since 2×25225170884² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25225170881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217292 + ... + 312515.

It is an arithmetic number, because the mean of its divisors is an integer number (3678986752).

Almost surely, 2^25225170884 is an apocalyptic number.

It is an amenable number.

25225170884 is a deficient number, since it is larger than the sum of its proper divisors (18922670140).

25225170884 is a wasteful number, since it uses less digits than its factorization.

25225170884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541714 (or 541712 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 44.

The spelling of 25225170884 in words is "twenty-five billion, two hundred twenty-five million, one hundred seventy thousand, eight hundred eighty-four".