25122244 has 12 divisors (see below), whose sum is σ = 50244544. Its totient is φ = 10766664.

The previous prime is 25122241. The next prime is 25122247. The reversal of 25122244 is 44222152.

It is an interprime number because it is at equal distance from previous prime (25122241) and next prime (25122247).

25122244 is an admirable number.

It is a super-2 number, since 2×25122244² = 1262254287191072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25122241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448584 + ... + 448639.

Almost surely, 2^25122244 is an apocalyptic number.

It is an amenable number.

25122244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25122244 is a wasteful number, since it uses less digits than its factorization.

25122244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897234 (or 897232 counting only the distinct ones).

The product of its digits is 1280, while the sum is 22.

The square root of 25122244 is about 5012.2094928285. The cubic root of 25122244 is about 292.8775906178.

Adding to 25122244 its reverse (44222152), we get a palindrome (69344396).

The spelling of 25122244 in words is "twenty-five million, one hundred twenty-two thousand, two hundred forty-four".