83222393 has 2 divisors, whose sum is σ = 83222394. Its totient is φ = 83222392.

The previous prime is 83222389. The next prime is 83222407. The reversal of 83222393 is 39322238.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81938704 + 1283689 = 9052^2 + 1133^2 .

It is a cyclic number.

It is not a de Polignac number, because 83222393 - 2² = 83222389 is a prime.

It is not a weakly prime, because it can be changed into another prime (83222323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41611196 + 41611197.

It is an arithmetic number, because the mean of its divisors is an integer number (41611197).

Almost surely, 2^83222393 is an apocalyptic number.

It is an amenable number.

83222393 is a deficient number, since it is larger than the sum of its proper divisors (1).

83222393 is an equidigital number, since it uses as much as digits as its factorization.

83222393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 83222393 is about 9122.6308157242. The cubic root of 83222393 is about 436.5963156740.

The spelling of 83222393 in words is "eighty-three million, two hundred twenty-two thousand, three hundred ninety-three".