228201968 has 20 divisors (see below), whose sum is σ = 442737288. Its totient is φ = 113947200.

The previous prime is 228201923. The next prime is 228201971. The reversal of 228201968 is 869102822.

228201968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×228201968² = 104152276398146048, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3143 + ... + 21593.

Almost surely, 2^228201968 is an apocalyptic number.

It is an amenable number.

228201968 is a deficient number, since it is larger than the sum of its proper divisors (214535320).

228201968 is a wasteful number, since it uses less digits than its factorization.

228201968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19232 (or 19226 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 228201968 is about 15106.3552189137. The cubic root of 228201968 is about 611.0918079878.

The spelling of 228201968 in words is "two hundred twenty-eight million, two hundred one thousand, nine hundred sixty-eight".