25786422 has 24 divisors (see below), whose sum is σ = 56819880. Its totient is φ = 8449440.

The previous prime is 25786393. The next prime is 25786429. The reversal of 25786422 is 22468752.

25786422 is a `hidden beast` number, since 2 + 5 + 7 + 8 + 642 + 2 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25786429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11079 + ... + 13202.

It is an arithmetic number, because the mean of its divisors is an integer number (2367495).

Almost surely, 2^25786422 is an apocalyptic number.

25786422 is an abundant number, since it is smaller than the sum of its proper divisors (31033458).

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

25786422 is a wasteful number, since it uses less digits than its factorization.

25786422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24348 (or 24345 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 25786422 is about 5078.0332807102. The cubic root of 25786422 is about 295.4361908827.

The spelling of 25786422 in words is "twenty-five million, seven hundred eighty-six thousand, four hundred twenty-two".