22253244 has 36 divisors (see below), whose sum is σ = 56230776. Its totient is φ = 6846528.

The previous prime is 22253239. The next prime is 22253261. The reversal of 22253244 is 44235222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3459 + ... + 7514.

It is an arithmetic number, because the mean of its divisors is an integer number (1561966).

Almost surely, 2^22253244 is an apocalyptic number.

It is an amenable number.

22253244 is an abundant number, since it is smaller than the sum of its proper divisors (33977532).

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

22253244 is a wasteful number, since it uses less digits than its factorization.

22253244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11006 (or 10991 counting only the distinct ones).

The product of its digits is 3840, while the sum is 24.

The square root of 22253244 is about 4717.3344168079. The cubic root of 22253244 is about 281.2749848421.

Adding to 22253244 its reverse (44235222), we get a palindrome (66488466).

The spelling of 22253244 in words is "twenty-two million, two hundred fifty-three thousand, two hundred forty-four".