25488722 has 12 divisors (see below), whose sum is σ = 44475390. Its totient is φ = 10923696.

The previous prime is 25488721. The next prime is 25488733. The reversal of 25488722 is 22788452.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14984641 + 10504081 = 3871^2 + 3241^2 .

It is not an unprimeable number, because it can be changed into a prime (25488721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129947 + ... + 130142.

Almost surely, 2^25488722 is an apocalyptic number.

25488722 is a deficient number, since it is larger than the sum of its proper divisors (18986668).

25488722 is a wasteful number, since it uses less digits than its factorization.

25488722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260105 (or 260098 counting only the distinct ones).

The product of its digits is 71680, while the sum is 38.

The square root of 25488722 is about 5048.6356572841. The cubic root of 25488722 is about 294.2948666747.

The spelling of 25488722 in words is "twenty-five million, four hundred eighty-eight thousand, seven hundred twenty-two".