25422620 has 24 divisors (see below), whose sum is σ = 53504304. Its totient is φ = 10146816.

The previous prime is 25422619. The next prime is 25422623. The reversal of 25422620 is 2622452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25422623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10439 + ... + 12641.

It is an arithmetic number, because the mean of its divisors is an integer number (2229346).

Almost surely, 2^25422620 is an apocalyptic number.

25422620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25422620 is an abundant number, since it is smaller than the sum of its proper divisors (28081684).

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

25422620 is a wasteful number, since it uses less digits than its factorization.

25422620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789 (or 2787 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 25422620 is about 5042.0848862351. The cubic root of 25422620 is about 294.0402400687.

The spelling of 25422620 in words is "twenty-five million, four hundred twenty-two thousand, six hundred twenty".