25402234 has 16 divisors (see below), whose sum is σ = 44765280. Its totient is φ = 10658160.

The previous prime is 25402229. The next prime is 25402241. The reversal of 25402234 is 43220452.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44124 + ... + 44695.

It is an arithmetic number, because the mean of its divisors is an integer number (2797830).

Almost surely, 2^25402234 is an apocalyptic number.

25402234 is a deficient number, since it is larger than the sum of its proper divisors (19363046).

25402234 is a wasteful number, since it uses less digits than its factorization.

25402234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88845.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 25402234 is about 5040.0628964329. The cubic root of 25402234 is about 293.9616236333.

Adding to 25402234 its reverse (43220452), we get a palindrome (68622686).

It can be divided in two parts, 2540 and 2234, that added together give a palindrome (4774).

The spelling of 25402234 in words is "twenty-five million, four hundred two thousand, two hundred thirty-four".