159966228 has 24 divisors (see below), whose sum is σ = 379582560. Its totient is φ = 52418080.

The previous prime is 159966227. The next prime is 159966241. The reversal of 159966228 is 822669951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159966227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112263 + ... + 113678.

It is an arithmetic number, because the mean of its divisors is an integer number (15815940).

Almost surely, 2^159966228 is an apocalyptic number.

It is an amenable number.

159966228 is an abundant number, since it is smaller than the sum of its proper divisors (219616332).

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

159966228 is a wasteful number, since it uses less digits than its factorization.

159966228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226007 (or 226005 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The square root of 159966228 is about 12647.7756147079. The cubic root of 159966228 is about 542.8453242513.

The spelling of 159966228 in words is "one hundred fifty-nine million, nine hundred sixty-six thousand, two hundred twenty-eight".