228335211 has 24 divisors (see below), whose sum is σ = 376084800. Its totient is φ = 132247296.

The previous prime is 228335207. The next prime is 228335221. The reversal of 228335211 is 112533822.

It is not a de Polignac number, because 228335211 - 2² = 228335207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228335221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55411 + ... + 59388.

It is an arithmetic number, because the mean of its divisors is an integer number (15670200).

Almost surely, 2^228335211 is an apocalyptic number.

228335211 is a deficient number, since it is larger than the sum of its proper divisors (147749589).

228335211 is a wasteful number, since it uses less digits than its factorization.

228335211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114835 (or 114832 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 228335211 is about 15110.7647390858. The cubic root of 228335211 is about 611.2107199971.

The spelling of 228335211 in words is "two hundred twenty-eight million, three hundred thirty-five thousand, two hundred eleven".