22768829 has 2 divisors, whose sum is σ = 22768830. Its totient is φ = 22768828.

The previous prime is 22768819. The next prime is 22768843. The reversal of 22768829 is 92886722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15602500 + 7166329 = 3950^2 + 2677^2 .

It is a cyclic number.

It is not a de Polignac number, because 22768829 - 2¹⁶ = 22703293 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22768829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22768819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11384414 + 11384415.

It is an arithmetic number, because the mean of its divisors is an integer number (11384415).

Almost surely, 2^22768829 is an apocalyptic number.

It is an amenable number.

22768829 is a deficient number, since it is larger than the sum of its proper divisors (1).

22768829 is an equidigital number, since it uses as much as digits as its factorization.

22768829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 44.

The square root of 22768829 is about 4771.6694143664. The cubic root of 22768829 is about 283.4307059402.

The spelling of 22768829 in words is "twenty-two million, seven hundred sixty-eight thousand, eight hundred twenty-nine".