25422984 has 40 divisors (see below), whose sum is σ = 71209710. Its totient is φ = 8474112.

The previous prime is 25422979. The next prime is 25422989. The reversal of 25422984 is 48922452.

It is an interprime number because it is at equal distance from previous prime (25422979) and next prime (25422989).

It can be written as a sum of positive squares in only one way, i.e., 25220484 + 202500 = 5022^2 + 450^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25422989) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 18969 + ... + 20264.

Almost surely, 2^25422984 is an apocalyptic number.

25422984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25422984 is an abundant number, since it is smaller than the sum of its proper divisors (45786726).

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

25422984 is a wasteful number, since it uses less digits than its factorization.

25422984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39251 (or 39238 counting only the distinct ones).

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

The square root of 25422984 is about 5042.1209822851. The cubic root of 25422984 is about 294.0416434140.

The spelling of 25422984 in words is "twenty-five million, four hundred twenty-two thousand, nine hundred eighty-four".