228415679 has 2 divisors, whose sum is σ = 228415680. Its totient is φ = 228415678.

The previous prime is 228415669. The next prime is 228415709. The reversal of 228415679 is 976514822.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228415679 - 2⁸ = 228415423 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228415619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114207839 + 114207840.

It is an arithmetic number, because the mean of its divisors is an integer number (114207840).

Almost surely, 2^228415679 is an apocalyptic number.

228415679 is a deficient number, since it is larger than the sum of its proper divisors (1).

228415679 is an equidigital number, since it uses as much as digits as its factorization.

228415679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 44.

The square root of 228415679 is about 15113.4271096929. The cubic root of 228415679 is about 611.2825108342.

The spelling of 228415679 in words is "two hundred twenty-eight million, four hundred fifteen thousand, six hundred seventy-nine".