228079213 has 2 divisors, whose sum is σ = 228079214. Its totient is φ = 228079212.

The previous prime is 228079207. The next prime is 228079219. The reversal of 228079213 is 312970822.

It is a balanced prime because it is at equal distance from previous prime (228079207) and next prime (228079219).

It can be written as a sum of positive squares in only one way, i.e., 220166244 + 7912969 = 14838^2 + 2813^2 .

It is a cyclic number.

It is not a de Polignac number, because 228079213 - 2⁹ = 228078701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228079219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114039606 + 114039607.

It is an arithmetic number, because the mean of its divisors is an integer number (114039607).

Almost surely, 2^228079213 is an apocalyptic number.

It is an amenable number.

228079213 is a deficient number, since it is larger than the sum of its proper divisors (1).

228079213 is an equidigital number, since it uses as much as digits as its factorization.

228079213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 228079213 is about 15102.2916472964. The cubic root of 228079213 is about 610.9822149662.

The spelling of 228079213 in words is "two hundred twenty-eight million, seventy-nine thousand, two hundred thirteen".