22138124 has 12 divisors (see below), whose sum is σ = 38774904. Its totient is φ = 11059584.

The previous prime is 22138093. The next prime is 22138133. The reversal of 22138124 is 42183122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22138124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7004 + ... + 9660.

It is an arithmetic number, because the mean of its divisors is an integer number (3231242).

Almost surely, 2^22138124 is an apocalyptic number.

It is an amenable number.

22138124 is a deficient number, since it is larger than the sum of its proper divisors (16636780).

22138124 is a wasteful number, since it uses less digits than its factorization.

22138124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4744 (or 4742 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 22138124 is about 4705.1167891988. The cubic root of 22138124 is about 280.7891174967.

The spelling of 22138124 in words is "twenty-two million, one hundred thirty-eight thousand, one hundred twenty-four".