228668892 has 48 divisors (see below), whose sum is σ = 540341760. Its totient is φ = 75261312.

The previous prime is 228668863. The next prime is 228668893. The reversal of 228668892 is 298866822.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228668893) 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, 603159 + ... + 603537.

It is an arithmetic number, because the mean of its divisors is an integer number (11257120).

Almost surely, 2^228668892 is an apocalyptic number.

It is an amenable number.

228668892 is an abundant number, since it is smaller than the sum of its proper divisors (311672868).

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

228668892 is a wasteful number, since it uses less digits than its factorization.

228668892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890 (or 888 counting only the distinct ones).

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

The square root of 228668892 is about 15121.8018767606. The cubic root of 228668892 is about 611.5083089903.

The spelling of 228668892 in words is "two hundred twenty-eight million, six hundred sixty-eight thousand, eight hundred ninety-two".