228023864 has 16 divisors (see below), whose sum is σ = 450047400. Its totient is φ = 108011232.

The previous prime is 228023843. The next prime is 228023869. The reversal of 228023864 is 468320822.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228023869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749927 + ... + 750230.

Almost surely, 2^228023864 is an apocalyptic number.

It is an amenable number.

228023864 is a deficient number, since it is larger than the sum of its proper divisors (222023536).

228023864 is a wasteful number, since it uses less digits than its factorization.

228023864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500182 (or 1500178 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 228023864 is about 15100.4590658695. The cubic root of 228023864 is about 610.9327877079.

The spelling of 228023864 in words is "two hundred twenty-eight million, twenty-three thousand, eight hundred sixty-four".