25123422 has 16 divisors (see below), whose sum is σ = 50883840. Its totient is φ = 8268312.

The previous prime is 25123393. The next prime is 25123487. The reversal of 25123422 is 22432152.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26028 + ... + 26975.

It is an arithmetic number, because the mean of its divisors is an integer number (3180240).

Almost surely, 2^25123422 is an apocalyptic number.

25123422 is an abundant number, since it is smaller than the sum of its proper divisors (25760418).

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

25123422 is a wasteful number, since it uses less digits than its factorization.

25123422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53087.

The product of its digits is 960, while the sum is 21.

The square root of 25123422 is about 5012.3270044960. The cubic root of 25123422 is about 292.8821682929.

Adding to 25123422 its reverse (22432152), we get a palindrome (47555574).

The spelling of 25123422 in words is "twenty-five million, one hundred twenty-three thousand, four hundred twenty-two".