25798227 has 32 divisors (see below), whose sum is σ = 43158528. Its totient is φ = 13343616.

The previous prime is 25798211. The next prime is 25798243. The reversal of 25798227 is 72289752.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25798211) and next prime (25798243).

It is not a de Polignac number, because 25798227 - 2⁴ = 25798211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25798427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13578 + ... + 15360.

It is an arithmetic number, because the mean of its divisors is an integer number (1348704).

Almost surely, 2^25798227 is an apocalyptic number.

25798227 is a deficient number, since it is larger than the sum of its proper divisors (17360301).

25798227 is a wasteful number, since it uses less digits than its factorization.

25798227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859.

The product of its digits is 141120, while the sum is 42.

The square root of 25798227 is about 5079.1955071645. The cubic root of 25798227 is about 295.4812674759.

The spelling of 25798227 in words is "twenty-five million, seven hundred ninety-eight thousand, two hundred twenty-seven".