25131022 has 24 divisors (see below), whose sum is σ = 44302680. Its totient is φ = 10659600.

The previous prime is 25131017. The next prime is 25131031. The reversal of 25131022 is 22013152.

It is a junction number, because it is equal to n+sod(n) for n = 25130987 and 25131005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8629 + ... + 11167.

It is an arithmetic number, because the mean of its divisors is an integer number (1845945).

Almost surely, 2^25131022 is an apocalyptic number.

25131022 is a deficient number, since it is larger than the sum of its proper divisors (19171658).

25131022 is a wasteful number, since it uses less digits than its factorization.

25131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656 (or 2649 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 25131022 is about 5013.0850780732. The cubic root of 25131022 is about 292.9116982413.

Adding to 25131022 its reverse (22013152), we get a palindrome (47144174).

The spelling of 25131022 in words is "twenty-five million, one hundred thirty-one thousand, twenty-two".