25223116 has 12 divisors (see below), whose sum is σ = 44245432. Its totient is φ = 12581568.

The previous prime is 25223113. The next prime is 25223117. The reversal of 25223116 is 61132252.

It is not an unprimeable number, because it can be changed into a prime (25223113) 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 3 ways as a sum of consecutive naturals, for example, 5550 + ... + 9013.

Almost surely, 2^25223116 is an apocalyptic number.

It is an amenable number.

25223116 is a deficient number, since it is larger than the sum of its proper divisors (19022316).

25223116 is a wasteful number, since it uses less digits than its factorization.

25223116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15000 (or 14998 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 25223116 is about 5022.2620401568. The cubic root of 25223116 is about 293.2690590350.

Adding to 25223116 its reverse (61132252), we get a palindrome (86355368).

The spelling of 25223116 in words is "twenty-five million, two hundred twenty-three thousand, one hundred sixteen".