25622430 has 32 divisors (see below), whose sum is σ = 63479808. Its totient is φ = 6612000.

The previous prime is 25622413. The next prime is 25622449. The reversal of 25622430 is 3422652.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25622430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12846 + ... + 14705.

It is an arithmetic number, because the mean of its divisors is an integer number (1983744).

Almost surely, 2^25622430 is an apocalyptic number.

25622430 is an abundant number, since it is smaller than the sum of its proper divisors (37857378).

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

25622430 is a wasteful number, since it uses less digits than its factorization.

25622430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27592.

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

The square root of 25622430 is about 5061.8603299578. The cubic root of 25622430 is about 294.8085706253.

The spelling of 25622430 in words is "twenty-five million, six hundred twenty-two thousand, four hundred thirty".