22644733 has 2 divisors, whose sum is σ = 22644734. Its totient is φ = 22644732.

The previous prime is 22644701. The next prime is 22644749. The reversal of 22644733 is 33744622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17791524 + 4853209 = 4218^2 + 2203^2 .

It is a cyclic number.

It is not a de Polignac number, because 22644733 - 2⁵ = 22644701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22644695 and 22644704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22644793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11322366 + 11322367.

It is an arithmetic number, because the mean of its divisors is an integer number (11322367).

Almost surely, 2^22644733 is an apocalyptic number.

It is an amenable number.

22644733 is a deficient number, since it is larger than the sum of its proper divisors (1).

22644733 is an equidigital number, since it uses as much as digits as its factorization.

22644733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 31.

The square root of 22644733 is about 4758.6482324290. The cubic root of 22644733 is about 282.9148440862.

The spelling of 22644733 in words is "twenty-two million, six hundred forty-four thousand, seven hundred thirty-three".