79022231 has 2 divisors, whose sum is σ = 79022232. Its totient is φ = 79022230.

The previous prime is 79022179. The next prime is 79022257. The reversal of 79022231 is 13222097.

It is an a-pointer prime, because the next prime (79022257) can be obtained adding 79022231 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79022231 - 2¹⁴ = 79005847 is a prime.

It is a super-2 number, since 2×79022231² = 12489025984434722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79022231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79022291) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39511115 + 39511116.

It is an arithmetic number, because the mean of its divisors is an integer number (39511116).

Almost surely, 2^79022231 is an apocalyptic number.

79022231 is a deficient number, since it is larger than the sum of its proper divisors (1).

79022231 is an equidigital number, since it uses as much as digits as its factorization.

79022231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 79022231 is about 8889.4449208035. Note that the first 3 decimals coincide. The cubic root of 79022231 is about 429.1242877352.

The spelling of 79022231 in words is "seventy-nine million, twenty-two thousand, two hundred thirty-one".