159398226 has 64 divisors (see below), whose sum is σ = 387273600. Its totient is φ = 48299328.

The previous prime is 159398219. The next prime is 159398227. The reversal of 159398226 is 622893951.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (159398227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45340 + ... + 48728.

It is an arithmetic number, because the mean of its divisors is an integer number (6051150).

Almost surely, 2^159398226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159398226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193636800).

159398226 is an abundant number, since it is smaller than the sum of its proper divisors (227875374).

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

159398226 is a wasteful number, since it uses less digits than its factorization.

159398226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480 (or 3474 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 159398226 is about 12625.3010261142. The cubic root of 159398226 is about 542.2020574415.

The spelling of 159398226 in words is "one hundred fifty-nine million, three hundred ninety-eight thousand, two hundred twenty-six".