22124244 has 12 divisors (see below), whose sum is σ = 51623264. Its totient is φ = 7374744.

The previous prime is 22124209. The next prime is 22124251. The reversal of 22124244 is 44242122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22124244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921832 + ... + 921855.

Almost surely, 2^22124244 is an apocalyptic number.

It is an amenable number.

22124244 is an abundant number, since it is smaller than the sum of its proper divisors (29499020).

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

22124244 is a wasteful number, since it uses less digits than its factorization.

22124244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843694 (or 1843692 counting only the distinct ones).

The product of its digits is 1024, while the sum is 21.

The square root of 22124244 is about 4703.6415679769. The cubic root of 22124244 is about 280.7304228553.

Adding to 22124244 its reverse (44242122), we get a palindrome (66366366).

The spelling of 22124244 in words is "twenty-two million, one hundred twenty-four thousand, two hundred forty-four".