228030986 has 4 divisors (see below), whose sum is σ = 342046482. Its totient is φ = 114015492.

The previous prime is 228030967. The next prime is 228031007. The reversal of 228030986 is 689030822.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 188101225 + 39929761 = 13715^2 + 6319^2 .

It is a super-2 number, since 2×228030986² = 103996261152264392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57007745 + ... + 57007748.

Almost surely, 2^228030986 is an apocalyptic number.

228030986 is a deficient number, since it is larger than the sum of its proper divisors (114015496).

228030986 is a wasteful number, since it uses less digits than its factorization.

228030986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114015495.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 228030986 is about 15100.6948846734. The cubic root of 228030986 is about 610.9391481797.

The spelling of 228030986 in words is "two hundred twenty-eight million, thirty thousand, nine hundred eighty-six".