228627499 has 4 divisors (see below), whose sum is σ = 228998664. Its totient is φ = 228256336.

The previous prime is 228627491. The next prime is 228627523. The reversal of 228627499 is 994726822.

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 228627499 - 2³ = 228627491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228627491) 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, 184657 + ... + 185890.

It is an arithmetic number, because the mean of its divisors is an integer number (57249666).

Almost surely, 2^228627499 is an apocalyptic number.

228627499 is a deficient number, since it is larger than the sum of its proper divisors (371165).

228627499 is an equidigital number, since it uses as much as digits as its factorization.

228627499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371164.

The product of its digits is 870912, while the sum is 49.

The square root of 228627499 is about 15120.4331617848. The cubic root of 228627499 is about 611.4714089254.

The spelling of 228627499 in words is "two hundred twenty-eight million, six hundred twenty-seven thousand, four hundred ninety-nine".