159726228 has 24 divisors (see below), whose sum is σ = 373467360. Its totient is φ = 53131680.

The previous prime is 159726227. The next prime is 159726239. The reversal of 159726228 is 822627951.

159726228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×159726228² = 51024935822215968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 159726228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159726223) 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, 7663 + ... + 19446.

It is an arithmetic number, because the mean of its divisors is an integer number (15561140).

Almost surely, 2^159726228 is an apocalyptic number.

It is an amenable number.

159726228 is an abundant number, since it is smaller than the sum of its proper divisors (213741132).

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

159726228 is a wasteful number, since it uses less digits than its factorization.

159726228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27607 (or 27605 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 159726228 is about 12638.2842189911. The cubic root of 159726228 is about 542.5737084047.

The spelling of 159726228 in words is "one hundred fifty-nine million, seven hundred twenty-six thousand, two hundred twenty-eight".