22722124 has 12 divisors (see below), whose sum is σ = 39973248. Its totient is φ = 11301200.

The previous prime is 22722113. The next prime is 22722127. The reversal of 22722124 is 42122722.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22722095 and 22722104.

It is not an unprimeable number, because it can be changed into a prime (22722127) 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 3 ways as a sum of consecutive naturals, for example, 14107 + ... + 15634.

It is an arithmetic number, because the mean of its divisors is an integer number (3331104).

Almost surely, 2^22722124 is an apocalyptic number.

It is an amenable number.

22722124 is a deficient number, since it is larger than the sum of its proper divisors (17251124).

22722124 is a wasteful number, since it uses less digits than its factorization.

22722124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29936 (or 29934 counting only the distinct ones).

The product of its digits is 896, while the sum is 22.

The square root of 22722124 is about 4766.7729125688. The cubic root of 22722124 is about 283.2367757098.

Adding to 22722124 its reverse (42122722), we get a palindrome (64844846).

The spelling of 22722124 in words is "twenty-two million, seven hundred twenty-two thousand, one hundred twenty-four".