79222393 has 2 divisors, whose sum is σ = 79222394. Its totient is φ = 79222392.

The previous prime is 79222361. The next prime is 79222441. The reversal of 79222393 is 39322297.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56972304 + 22250089 = 7548^2 + 4717^2 .

It is a cyclic number.

It is not a de Polignac number, because 79222393 - 2⁵ = 79222361 is a prime.

It is not a weakly prime, because it can be changed into another prime (79222303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39611196 + 39611197.

It is an arithmetic number, because the mean of its divisors is an integer number (39611197).

Almost surely, 2^79222393 is an apocalyptic number.

It is an amenable number.

79222393 is a deficient number, since it is larger than the sum of its proper divisors (1).

79222393 is an equidigital number, since it uses as much as digits as its factorization.

79222393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 37.

The square root of 79222393 is about 8900.6962087243. The cubic root of 79222393 is about 429.4863038138.

The spelling of 79222393 in words is "seventy-nine million, two hundred twenty-two thousand, three hundred ninety-three".