228043199 has 4 divisors (see below), whose sum is σ = 228077736. Its totient is φ = 228008664.

The previous prime is 228043177. The next prime is 228043241. The reversal of 228043199 is 991340822.

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 228043199 - 2²⁴ = 211265983 is a prime.

It is a super-2 number, since 2×228043199² = 104007401220307202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228043139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3929 + ... + 21714.

It is an arithmetic number, because the mean of its divisors is an integer number (57019434).

Almost surely, 2^228043199 is an apocalyptic number.

228043199 is a deficient number, since it is larger than the sum of its proper divisors (34537).

228043199 is an equidigital number, since it uses as much as digits as its factorization.

228043199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34536.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 228043199 is about 15101.0992646231. The cubic root of 228043199 is about 610.9500549819.

The spelling of 228043199 in words is "two hundred twenty-eight million, forty-three thousand, one hundred ninety-nine".