228983011 has 4 divisors (see below), whose sum is σ = 229729192. Its totient is φ = 228236832.

The previous prime is 228982987. The next prime is 228983039. The reversal of 228983011 is 110389822.

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 228983011 - 2⁷ = 228982883 is a prime.

It is a super-2 number, since 2×228983011² = 104866438653252242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228983311) 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, 372630 + ... + 373243.

It is an arithmetic number, because the mean of its divisors is an integer number (57432298).

Almost surely, 2^228983011 is an apocalyptic number.

228983011 is a deficient number, since it is larger than the sum of its proper divisors (746181).

228983011 is an equidigital number, since it uses as much as digits as its factorization.

228983011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746180.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 228983011 is about 15132.1846076500. The cubic root of 228983011 is about 611.7881874476.

The spelling of 228983011 in words is "two hundred twenty-eight million, nine hundred eighty-three thousand, eleven".