22232393 has 2 divisors, whose sum is σ = 22232394. Its totient is φ = 22232392.

The previous prime is 22232389. The next prime is 22232401. The reversal of 22232393 is 39323222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17405584 + 4826809 = 4172^2 + 2197^2 .

It is a cyclic number.

It is not a de Polignac number, because 22232393 - 2² = 22232389 is a prime.

It is not a weakly prime, because it can be changed into another prime (22232323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11116196 + 11116197.

It is an arithmetic number, because the mean of its divisors is an integer number (11116197).

Almost surely, 2^22232393 is an apocalyptic number.

It is an amenable number.

22232393 is a deficient number, since it is larger than the sum of its proper divisors (1).

22232393 is an equidigital number, since it uses as much as digits as its factorization.

22232393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 26.

The square root of 22232393 is about 4715.1238583944. The cubic root of 22232393 is about 281.1871070563.

The spelling of 22232393 in words is "twenty-two million, two hundred thirty-two thousand, three hundred ninety-three".