22444252 has 12 divisors (see below), whose sum is σ = 39387040. Its totient is φ = 11190816.

The previous prime is 22444243. The next prime is 22444259. The reversal of 22444252 is 25244422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444259) 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, 6177 + ... + 9112.

Almost surely, 2^22444252 is an apocalyptic number.

It is an amenable number.

22444252 is a deficient number, since it is larger than the sum of its proper divisors (16942788).

22444252 is a wasteful number, since it uses less digits than its factorization.

22444252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15660 (or 15658 counting only the distinct ones).

The product of its digits is 5120, while the sum is 25.

The square root of 22444252 is about 4737.5364906246. The cubic root of 22444252 is about 282.0774563820.

Adding to 22444252 its reverse (25244422), we get a palindrome (47688674).

The spelling of 22444252 in words is "twenty-two million, four hundred forty-four thousand, two hundred fifty-two".