228658699 has 2 divisors, whose sum is σ = 228658700. Its totient is φ = 228658698.

The previous prime is 228658691. The next prime is 228658723. The reversal of 228658699 is 996856822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228658699 - 2³ = 228658691 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (228658691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114329349 + 114329350.

It is an arithmetic number, because the mean of its divisors is an integer number (114329350).

Almost surely, 2^228658699 is an apocalyptic number.

228658699 is a deficient number, since it is larger than the sum of its proper divisors (1).

228658699 is an equidigital number, since it uses as much as digits as its factorization.

228658699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 55.

The square root of 228658699 is about 15121.4648430633. The cubic root of 228658699 is about 611.4992227860.

The spelling of 228658699 in words is "two hundred twenty-eight million, six hundred fifty-eight thousand, six hundred ninety-nine".