25142244 has 24 divisors (see below), whose sum is σ = 61753440. Its totient is φ = 7939584.

The previous prime is 25142239. The next prime is 25142251. The reversal of 25142244 is 44224152.

It is a happy number.

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, 54909 + ... + 55364.

It is an arithmetic number, because the mean of its divisors is an integer number (2573060).

Almost surely, 2^25142244 is an apocalyptic number.

It is an amenable number.

25142244 is an abundant number, since it is smaller than the sum of its proper divisors (36611196).

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

25142244 is a wasteful number, since it uses less digits than its factorization.

25142244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110299 (or 110297 counting only the distinct ones).

The product of its digits is 2560, while the sum is 24.

The square root of 25142244 is about 5014.2042240020. The cubic root of 25142244 is about 292.9552906578.

Adding to 25142244 its reverse (44224152), we get a palindrome (69366396).

The spelling of 25142244 in words is "twenty-five million, one hundred forty-two thousand, two hundred forty-four".