79228223 has 2 divisors, whose sum is σ = 79228224. Its totient is φ = 79228222.

The previous prime is 79228213. The next prime is 79228243. The reversal of 79228223 is 32282297.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79228223 - 2⁴ = 79228207 is a prime.

It is a super-2 number, since 2×79228223² = 12554222639475458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79228213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39614111 + 39614112.

It is an arithmetic number, because the mean of its divisors is an integer number (39614112).

Almost surely, 2^79228223 is an apocalyptic number.

79228223 is a deficient number, since it is larger than the sum of its proper divisors (1).

79228223 is an equidigital number, since it uses as much as digits as its factorization.

79228223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 79228223 is about 8901.0237051701. The cubic root of 79228223 is about 429.4968388979.

The spelling of 79228223 in words is "seventy-nine million, two hundred twenty-eight thousand, two hundred twenty-three".