25022532700 has 72 divisors (see below), whose sum is σ = 59687679744. Its totient is φ = 9029592000.

The previous prime is 25022532659. The next prime is 25022532701. The reversal of 25022532700 is 723522052.

It is a super-2 number, since 2×25022532700² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25022532701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57277 + ... + 230923.

It is an arithmetic number, because the mean of its divisors is an integer number (828995552).

Almost surely, 2^25022532700 is an apocalyptic number.

25022532700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25022532700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29843839872).

25022532700 is an abundant number, since it is smaller than the sum of its proper divisors (34665147044).

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

25022532700 is a wasteful number, since it uses less digits than its factorization.

25022532700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173803 (or 173796 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The spelling of 25022532700 in words is "twenty-five billion, twenty-two million, five hundred thirty-two thousand, seven hundred".