25224122 has 24 divisors (see below), whose sum is σ = 48016800. Its totient is φ = 9827160.

The previous prime is 25224119. The next prime is 25224139. The reversal of 25224122 is 22142252.

It is a junction number, because it is equal to n+sod(n) for n = 25224094 and 25224103.

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, 10622 + ... + 12777.

It is an arithmetic number, because the mean of its divisors is an integer number (2000700).

Almost surely, 2^25224122 is an apocalyptic number.

25224122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25224122 is a deficient number, since it is larger than the sum of its proper divisors (22792678).

25224122 is a wasteful number, since it uses less digits than its factorization.

25224122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23426 (or 23419 counting only the distinct ones).

The product of its digits is 640, while the sum is 20.

The square root of 25224122 is about 5022.3621932314. The cubic root of 25224122 is about 293.2729579023.

Adding to 25224122 its reverse (22142252), we get a palindrome (47366374).

The spelling of 25224122 in words is "twenty-five million, two hundred twenty-four thousand, one hundred twenty-two".