228337263 has 48 divisors (see below), whose sum is σ = 413876736. Its totient is φ = 117846720.

The previous prime is 228337229. The next prime is 228337279. The reversal of 228337263 is 362733822.

It is a happy number.

228337263 is a `hidden beast` number, since 2 + 283 + 372 + 6 + 3 = 666.

It is not a de Polignac number, because 228337263 - 2⁶ = 228337199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228337223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114745 + ... + 116717.

It is an arithmetic number, because the mean of its divisors is an integer number (8622432).

Almost surely, 2^228337263 is an apocalyptic number.

228337263 is a deficient number, since it is larger than the sum of its proper divisors (185539473).

228337263 is a wasteful number, since it uses less digits than its factorization.

228337263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164 (or 2161 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 228337263 is about 15110.8326375485. The cubic root of 228337263 is about 611.2125509319.

The spelling of 228337263 in words is "two hundred twenty-eight million, three hundred thirty-seven thousand, two hundred sixty-three".