22446724 has 6 divisors (see below), whose sum is σ = 39281774. Its totient is φ = 11223360.

The previous prime is 22446709. The next prime is 22446751. The reversal of 22446724 is 42764422.

It can be written as a sum of positive squares in only one way, i.e., 17909824 + 4536900 = 4232^2 + 2130^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805837 + ... + 2805844.

Almost surely, 2^22446724 is an apocalyptic number.

It is an amenable number.

22446724 is a deficient number, since it is larger than the sum of its proper divisors (16835050).

22446724 is a wasteful number, since it uses less digits than its factorization.

22446724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611685 (or 5611683 counting only the distinct ones).

The product of its digits is 21504, while the sum is 31.

The square root of 22446724 is about 4737.7973785294. The cubic root of 22446724 is about 282.0878119640.

The spelling of 22446724 in words is "twenty-two million, four hundred forty-six thousand, seven hundred twenty-four".