25322242 has 16 divisors (see below), whose sum is σ = 41580864. Its totient is φ = 11470000.

The previous prime is 25322233. The next prime is 25322251. The reversal of 25322242 is 24222352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25322233) and next prime (25322251).

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, 4992 + ... + 8692.

It is an arithmetic number, because the mean of its divisors is an integer number (2598804).

Almost surely, 2^25322242 is an apocalyptic number.

25322242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25322242 is a deficient number, since it is larger than the sum of its proper divisors (16258622).

25322242 is a wasteful number, since it uses less digits than its factorization.

25322242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025.

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

The square root of 25322242 is about 5032.1210239818. The cubic root of 25322242 is about 293.6527360495.

Adding to 25322242 its reverse (24222352), we get a palindrome (49544594).

It can be divided in two parts, 2532 and 2242, that added together give a palindrome (4774).

The spelling of 25322242 in words is "twenty-five million, three hundred twenty-two thousand, two hundred forty-two".