22744570 has 16 divisors (see below), whose sum is σ = 41237280. Its totient is φ = 9031824.

The previous prime is 22744543. The next prime is 22744571. The reversal of 22744570 is 7544722.

It is not an unprimeable number, because it can be changed into a prime (22744571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6792 + ... + 9571.

It is an arithmetic number, because the mean of its divisors is an integer number (2577330).

Almost surely, 2^22744570 is an apocalyptic number.

22744570 is a deficient number, since it is larger than the sum of its proper divisors (18492710).

22744570 is a wasteful number, since it uses less digits than its factorization.

22744570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16509.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 22744570 is about 4769.1267544489. The cubic root of 22744570 is about 283.3300099572.

The spelling of 22744570 in words is "twenty-two million, seven hundred forty-four thousand, five hundred seventy".