228162263 has 32 divisors (see below), whose sum is σ = 278691840. Its totient is φ = 182700000.

The previous prime is 228162223. The next prime is 228162271. The reversal of 228162263 is 362261822.

It is not a de Polignac number, because 228162263 - 2¹⁰ = 228161239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228162223) 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, 908888 + ... + 909138.

It is an arithmetic number, because the mean of its divisors is an integer number (8709120).

Almost surely, 2^228162263 is an apocalyptic number.

228162263 is a deficient number, since it is larger than the sum of its proper divisors (50529577).

228162263 is a wasteful number, since it uses less digits than its factorization.

228162263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419.

The product of its digits is 13824, while the sum is 32.

The square root of 228162263 is about 15105.0409797524. The cubic root of 228162263 is about 611.0563645196.

The spelling of 228162263 in words is "two hundred twenty-eight million, one hundred sixty-two thousand, two hundred sixty-three".