25364220 has 96 divisors (see below), whose sum is σ = 81962496. Its totient is φ = 5740800.

The previous prime is 25364197. The next prime is 25364233. The reversal of 25364220 is 2246352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54790 + ... + 55250.

It is an arithmetic number, because the mean of its divisors is an integer number (853776).

Almost surely, 2^25364220 is an apocalyptic number.

25364220 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 25364220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40981248).

25364220 is an abundant number, since it is smaller than the sum of its proper divisors (56598276).

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

25364220 is a wasteful number, since it uses less digits than its factorization.

25364220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 25364220 is about 5036.2903014024. The cubic root of 25364220 is about 293.8149142792.

The spelling of 25364220 in words is "twenty-five million, three hundred sixty-four thousand, two hundred twenty".