228039867 has 60 divisors (see below), whose sum is σ = 382369680. Its totient is φ = 135289440.

The previous prime is 228039863. The next prime is 228039941. The reversal of 228039867 is 768930822.

It is not a de Polignac number, because 228039867 - 2² = 228039863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228039863) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 519234 + ... + 519672.

It is an arithmetic number, because the mean of its divisors is an integer number (6372828).

Almost surely, 2^228039867 is an apocalyptic number.

228039867 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

228039867 is a deficient number, since it is larger than the sum of its proper divisors (154329813).

228039867 is a wasteful number, since it uses less digits than its factorization.

228039867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 228039867 is about 15100.9889411257. The cubic root of 228039867 is about 610.9470793827.

The spelling of 228039867 in words is "two hundred twenty-eight million, thirty-nine thousand, eight hundred sixty-seven".