25423227 has 40 divisors (see below), whose sum is σ = 40075200. Its totient is φ = 16039296.

The previous prime is 25423207. The next prime is 25423243. The reversal of 25423227 is 72232452.

It is not a de Polignac number, because 25423227 - 2¹⁸ = 25161083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 25423227.

It is not an unprimeable number, because it can be changed into a prime (25423207) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 185503 + ... + 185639.

It is an arithmetic number, because the mean of its divisors is an integer number (1001880).

Almost surely, 2^25423227 is an apocalyptic number.

25423227 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

25423227 is a deficient number, since it is larger than the sum of its proper divisors (14651973).

25423227 is a wasteful number, since it uses less digits than its factorization.

25423227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 248 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 25423227 is about 5042.1450792297. The cubic root of 25423227 is about 294.0425802551.

Adding to 25423227 its reverse (72232452), we get a palindrome (97655679).

The spelling of 25423227 in words is "twenty-five million, four hundred twenty-three thousand, two hundred twenty-seven".