228973079 has 2 divisors, whose sum is σ = 228973080. Its totient is φ = 228973078.

The previous prime is 228973021. The next prime is 228973111. The reversal of 228973079 is 970379822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228973079 - 2¹² = 228968983 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 (228933079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114486539 + 114486540.

It is an arithmetic number, because the mean of its divisors is an integer number (114486540).

Almost surely, 2^228973079 is an apocalyptic number.

228973079 is a deficient number, since it is larger than the sum of its proper divisors (1).

228973079 is an equidigital number, since it uses as much as digits as its factorization.

228973079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 228973079 is about 15131.8564294009. The cubic root of 228973079 is about 611.7793420052.

The spelling of 228973079 in words is "two hundred twenty-eight million, nine hundred seventy-three thousand, seventy-nine".