22542422 has 16 divisors (see below), whose sum is σ = 39467520. Its totient is φ = 9455208.

The previous prime is 22542409. The next prime is 22542433. The reversal of 22542422 is 22424522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16472 + ... + 17787.

It is an arithmetic number, because the mean of its divisors is an integer number (2466720).

Almost surely, 2^22542422 is an apocalyptic number.

22542422 is a deficient number, since it is larger than the sum of its proper divisors (16925098).

22542422 is a wasteful number, since it uses less digits than its factorization.

22542422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34315.

The product of its digits is 2560, while the sum is 23.

The square root of 22542422 is about 4747.8860559200. The cubic root of 22542422 is about 282.4881222980.

Adding to 22542422 its reverse (22424522), we get a palindrome (44966944).

The spelling of 22542422 in words is "twenty-two million, five hundred forty-two thousand, four hundred twenty-two".