25494022 has 16 divisors (see below), whose sum is σ = 39214080. Its totient is φ = 12424968.

The previous prime is 25494019. The next prime is 25494023. The reversal of 25494022 is 22049452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25494023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34129 + ... + 34867.

It is an arithmetic number, because the mean of its divisors is an integer number (2450880).

Almost surely, 2^25494022 is an apocalyptic number.

25494022 is a deficient number, since it is larger than the sum of its proper divisors (13720058).

25494022 is a wasteful number, since it uses less digits than its factorization.

25494022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 25494022 is about 5049.1605242852. The cubic root of 25494022 is about 294.3152633387.

The spelling of 25494022 in words is "twenty-five million, four hundred ninety-four thousand, twenty-two".