25522630 has 40 divisors (see below), whose sum is σ = 53644752. Its totient is φ = 8742384.

The previous prime is 25522589. The next prime is 25522631. The reversal of 25522630 is 3622552.

It is a junction number, because it is equal to n+sod(n) for n = 25522595 and 25522604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25522631) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23479 + ... + 24541.

Almost surely, 2^25522630 is an apocalyptic number.

25522630 is an abundant number, since it is smaller than the sum of its proper divisors (28122122).

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

25522630 is an equidigital number, since it uses as much as digits as its factorization.

25522630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 25522630 is about 5051.9926761625. The cubic root of 25522630 is about 294.4253103609.

The spelling of 25522630 in words is "twenty-five million, five hundred twenty-two thousand, six hundred thirty".