22443329 has 2 divisors, whose sum is σ = 22443330. Its totient is φ = 22443328.

The previous prime is 22443319. The next prime is 22443341. The reversal of 22443329 is 92334422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22420225 + 23104 = 4735^2 + 152^2 .

It is a cyclic number.

It is not a de Polignac number, because 22443329 - 2²⁰ = 21394753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22443319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11221664 + 11221665.

It is an arithmetic number, because the mean of its divisors is an integer number (11221665).

Almost surely, 2^22443329 is an apocalyptic number.

It is an amenable number.

22443329 is a deficient number, since it is larger than the sum of its proper divisors (1).

22443329 is an equidigital number, since it uses as much as digits as its factorization.

22443329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 29.

The square root of 22443329 is about 4737.4390761254. The cubic root of 22443329 is about 282.0735896004.

The spelling of 22443329 in words is "twenty-two million, four hundred forty-three thousand, three hundred twenty-nine".