22379689 has 2 divisors, whose sum is σ = 22379690. Its totient is φ = 22379688.

The previous prime is 22379629. The next prime is 22379699. The reversal of 22379689 is 98697322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22250089 + 129600 = 4717^2 + 360^2 .

It is a cyclic number.

It is not a de Polignac number, because 22379689 - 2⁹ = 22379177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22379629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11189844 + 11189845.

It is an arithmetic number, because the mean of its divisors is an integer number (11189845).

Almost surely, 2^22379689 is an apocalyptic number.

It is an amenable number.

22379689 is a deficient number, since it is larger than the sum of its proper divisors (1).

22379689 is an equidigital number, since it uses as much as digits as its factorization.

22379689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 46.

The square root of 22379689 is about 4730.7175988427. The cubic root of 22379689 is about 281.8067225152.

The spelling of 22379689 in words is "twenty-two million, three hundred seventy-nine thousand, six hundred eighty-nine".