228530699 has 4 divisors (see below), whose sum is σ = 228807864. Its totient is φ = 228253536.

The previous prime is 228530693. The next prime is 228530713. The reversal of 228530699 is 996035822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228530699 - 2⁴ = 228530683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228530693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137342 + ... + 138995.

It is an arithmetic number, because the mean of its divisors is an integer number (57201966).

Almost surely, 2^228530699 is an apocalyptic number.

228530699 is a deficient number, since it is larger than the sum of its proper divisors (277165).

228530699 is an equidigital number, since it uses as much as digits as its factorization.

228530699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277164.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 228530699 is about 15117.2318563949. The cubic root of 228530699 is about 611.3850985322.

The spelling of 228530699 in words is "two hundred twenty-eight million, five hundred thirty thousand, six hundred ninety-nine".