228892668 has 48 divisors (see below), whose sum is σ = 554690976. Its totient is φ = 73405440.

The previous prime is 228892661. The next prime is 228892691. The reversal of 228892668 is 866298822.

It is a super-3 number, since 3×228892668³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 228892668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228892661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32730 + ... + 39102.

It is an arithmetic number, because the mean of its divisors is an integer number (11556062).

Almost surely, 2^228892668 is an apocalyptic number.

It is an amenable number.

228892668 is an abundant number, since it is smaller than the sum of its proper divisors (325798308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228892668 is a wasteful number, since it uses less digits than its factorization.

228892668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6494 (or 6492 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 228892668 is about 15129.1991856806. The cubic root of 228892668 is about 611.7077185220.

The spelling of 228892668 in words is "two hundred twenty-eight million, eight hundred ninety-two thousand, six hundred sixty-eight".