228083331 has 32 divisors (see below), whose sum is σ = 355120128. Its totient is φ = 127520640.

The previous prime is 228083329. The next prime is 228083333. The reversal of 228083331 is 133380822.

It is an interprime number because it is at equal distance from previous prime (228083329) and next prime (228083333).

It is not a de Polignac number, because 228083331 - 2¹ = 228083329 is a prime.

It is a super-2 number, since 2×228083331² = 104044011760111122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228083333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 336565 + ... + 337241.

It is an arithmetic number, because the mean of its divisors is an integer number (11097504).

Almost surely, 2^228083331 is an apocalyptic number.

228083331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

228083331 is a deficient number, since it is larger than the sum of its proper divisors (127036797).

228083331 is a wasteful number, since it uses less digits than its factorization.

228083331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 228083331 is about 15102.4279836058. The cubic root of 228083331 is about 610.9858920653.

The spelling of 228083331 in words is "two hundred twenty-eight million, eighty-three thousand, three hundred thirty-one".