25228760 has 16 divisors (see below), whose sum is σ = 56764800. Its totient is φ = 10091488.

The previous prime is 25228759. The next prime is 25228787. The reversal of 25228760 is 6782252.

It is a super-2 number, since 2×25228760² = 1272980662275200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315320 + ... + 315399.

It is an arithmetic number, because the mean of its divisors is an integer number (3547800).

Almost surely, 2^25228760 is an apocalyptic number.

25228760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25228760 is an abundant number, since it is smaller than the sum of its proper divisors (31536040).

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

25228760 is a wasteful number, since it uses less digits than its factorization.

25228760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630730 (or 630726 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 25228760 is about 5022.8239069273. The cubic root of 25228760 is about 293.2909316580.

The spelling of 25228760 in words is "twenty-five million, two hundred twenty-eight thousand, seven hundred sixty".