22425042 has 32 divisors (see below), whose sum is σ = 46230912. Its totient is φ = 7248384.

The previous prime is 22425041. The next prime is 22425047. The reversal of 22425042 is 24052422.

It is not an unprimeable number, because it can be changed into a prime (22425041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30483 + ... + 31209.

It is an arithmetic number, because the mean of its divisors is an integer number (1444716).

Almost surely, 2^22425042 is an apocalyptic number.

22425042 is an abundant number, since it is smaller than the sum of its proper divisors (23805870).

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

22425042 is a wasteful number, since it uses less digits than its factorization.

22425042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 22425042 is about 4735.5086316044. The cubic root of 22425042 is about 281.9969568607.

Adding to 22425042 its reverse (24052422), we get a palindrome (46477464).

The spelling of 22425042 in words is "twenty-two million, four hundred twenty-five thousand, forty-two".