22038224 has 20 divisors (see below), whose sum is σ = 45984036. Its totient is φ = 10171392.

The previous prime is 22038167. The next prime is 22038227. The reversal of 22038224 is 42283022.

It can be written as a sum of positive squares in 2 ways, for example, as 1607824 + 20430400 = 1268^2 + 4520^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22038224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22038227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52769 + ... + 53184.

Almost surely, 2^22038224 is an apocalyptic number.

It is an amenable number.

22038224 is an abundant number, since it is smaller than the sum of its proper divisors (23945812).

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

22038224 is a wasteful number, since it uses less digits than its factorization.

22038224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105974 (or 105968 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 22038224 is about 4694.4886835522. The cubic root of 22038224 is about 280.3661197035.

The spelling of 22038224 in words is "twenty-two million, thirty-eight thousand, two hundred twenty-four".