22481252 has 12 divisors (see below), whose sum is σ = 39375420. Its totient is φ = 11231136.

The previous prime is 22481233. The next prime is 22481279. The reversal of 22481252 is 25218422.

It can be written as a sum of positive squares in 2 ways, for example, as 5125696 + 17355556 = 2264^2 + 4166^2 .

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, 7838 + ... + 10314.

It is an arithmetic number, because the mean of its divisors is an integer number (3281285).

Almost surely, 2^22481252 is an apocalyptic number.

It is an amenable number.

22481252 is a deficient number, since it is larger than the sum of its proper divisors (16894168).

22481252 is a wasteful number, since it uses less digits than its factorization.

22481252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4750 (or 4748 counting only the distinct ones).

The product of its digits is 2560, while the sum is 26.

The square root of 22481252 is about 4741.4398656948. The cubic root of 22481252 is about 282.2323755713.

Adding to 22481252 its reverse (25218422), we get a palindrome (47699674).

The spelling of 22481252 in words is "twenty-two million, four hundred eighty-one thousand, two hundred fifty-two".