25442322 has 32 divisors (see below), whose sum is σ = 52641792. Its totient is φ = 8192784.

The previous prime is 25442303. The next prime is 25442323. The reversal of 25442322 is 22324452.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25442292 and 25442301.

It is not an unprimeable number, because it can be changed into a prime (25442323) 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, 22863 + ... + 23949.

It is an arithmetic number, because the mean of its divisors is an integer number (1645056).

Almost surely, 2^25442322 is an apocalyptic number.

25442322 is an abundant number, since it is smaller than the sum of its proper divisors (27199470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25442322 is a wasteful number, since it uses less digits than its factorization.

25442322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222.

The product of its digits is 3840, while the sum is 24.

The square root of 25442322 is about 5044.0382631380. The cubic root of 25442322 is about 294.1161788052.

Adding to 25442322 its reverse (22324452), we get a palindrome (47766774).

The spelling of 25442322 in words is "twenty-five million, four hundred forty-two thousand, three hundred twenty-two".