25498422 has 16 divisors (see below), whose sum is σ = 56663280. Its totient is φ = 8499456.

The previous prime is 25498409. The next prime is 25498469. The reversal of 25498422 is 22489452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236043 + ... + 236150.

It is an arithmetic number, because the mean of its divisors is an integer number (3541455).

Almost surely, 2^25498422 is an apocalyptic number.

25498422 is an abundant number, since it is smaller than the sum of its proper divisors (31164858).

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

25498422 is a wasteful number, since it uses less digits than its factorization.

25498422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472204 (or 472198 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 25498422 is about 5049.5962214815. The cubic root of 25498422 is about 294.3321942708.

The spelling of 25498422 in words is "twenty-five million, four hundred ninety-eight thousand, four hundred twenty-two".