228587199 has 4 divisors (see below), whose sum is σ = 304782936. Its totient is φ = 152391464.

The previous prime is 228587197. The next prime is 228587207. The reversal of 228587199 is 991785822.

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 228587199 - 2¹ = 228587197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228587197) 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, 38097864 + ... + 38097869.

It is an arithmetic number, because the mean of its divisors is an integer number (76195734).

Almost surely, 2^228587199 is an apocalyptic number.

228587199 is a deficient number, since it is larger than the sum of its proper divisors (76195737).

228587199 is an equidigital number, since it uses as much as digits as its factorization.

228587199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76195736.

The product of its digits is 725760, while the sum is 51.

The square root of 228587199 is about 15119.1004692740. The cubic root of 228587199 is about 611.4354789433.

The spelling of 228587199 in words is "two hundred twenty-eight million, five hundred eighty-seven thousand, one hundred ninety-nine".