228334437 has 64 divisors (see below), whose sum is σ = 367134720. Its totient is φ = 139968000.

The previous prime is 228334433. The next prime is 228334451. The reversal of 228334437 is 734433822.

228334437 is a `hidden beast` number, since 2 + 283 + 344 + 37 = 666.

It is not a de Polignac number, because 228334437 - 2² = 228334433 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228334433) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2260687 + ... + 2260787.

It is an arithmetic number, because the mean of its divisors is an integer number (5736480).

Almost surely, 2^228334437 is an apocalyptic number.

228334437 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

228334437 is a deficient number, since it is larger than the sum of its proper divisors (138800283).

228334437 is a wasteful number, since it uses less digits than its factorization.

228334437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 245 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 228334437 is about 15110.7391281830. The cubic root of 228334437 is about 611.2100293785.

The spelling of 228334437 in words is "two hundred twenty-eight million, three hundred thirty-four thousand, four hundred thirty-seven".