25124422 has 16 divisors (see below), whose sum is σ = 39803760. Its totient is φ = 11860992.

The previous prime is 25124413. The next prime is 25124423. The reversal of 25124422 is 22442152.

It is a junction number, because it is equal to n+sod(n) for n = 25124393 and 25124402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25124423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12478 + ... + 14350.

It is an arithmetic number, because the mean of its divisors is an integer number (2487735).

Almost surely, 2^25124422 is an apocalyptic number.

25124422 is a deficient number, since it is larger than the sum of its proper divisors (14679338).

25124422 is a wasteful number, since it uses less digits than its factorization.

25124422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247.

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

The square root of 25124422 is about 5012.4267575696. The cubic root of 25124422 is about 292.8860541526.

Adding to 25124422 its reverse (22442152), we get a palindrome (47566574).

The spelling of 25124422 in words is "twenty-five million, one hundred twenty-four thousand, four hundred twenty-two".