25787022 has 16 divisors (see below), whose sum is σ = 52227840. Its totient is φ = 8486712.

The previous prime is 25786997. The next prime is 25787023. The reversal of 25787022 is 22078752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25787023) 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, 26728 + ... + 27675.

It is an arithmetic number, because the mean of its divisors is an integer number (3264240).

Almost surely, 2^25787022 is an apocalyptic number.

25787022 is an abundant number, since it is smaller than the sum of its proper divisors (26440818).

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

25787022 is a wasteful number, since it uses less digits than its factorization.

25787022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54487.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 25787022 is about 5078.0923583566. The cubic root of 25787022 is about 295.4384822739.

The spelling of 25787022 in words is "twenty-five million, seven hundred eighty-seven thousand, twenty-two".