25235522 has 32 divisors (see below), whose sum is σ = 42239232. Its totient is φ = 11234304.

The previous prime is 25235513. The next prime is 25235527. The reversal of 25235522 is 22553252.

It is a happy number.

It is a super-2 number, since 2×25235522² = 1273663141224968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 25235491 and 25235500.

It is not an unprimeable number, because it can be changed into a prime (25235527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130658 + ... + 130850.

It is an arithmetic number, because the mean of its divisors is an integer number (1319976).

Almost surely, 2^25235522 is an apocalyptic number.

25235522 is a deficient number, since it is larger than the sum of its proper divisors (17003710).

25235522 is a wasteful number, since it uses less digits than its factorization.

25235522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362.

The product of its digits is 6000, while the sum is 26.

The square root of 25235522 is about 5023.4969891501. The cubic root of 25235522 is about 293.3171326567.

Adding to 25235522 its reverse (22553252), we get a palindrome (47788774).

The spelling of 25235522 in words is "twenty-five million, two hundred thirty-five thousand, five hundred twenty-two".