159226 has 4 divisors (see below), whose sum is σ = 238842. Its totient is φ = 79612.

The previous prime is 159223. The next prime is 159227. The reversal of 159226 is 622951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622951 = 7 ⋅88993.

It can be written as a sum of positive squares in only one way, i.e., 159201 + 25 = 399^2 + 5^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 159226.

It is not an unprimeable number, because it can be changed into a prime (159223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39805 + ... + 39808.

2¹⁵⁹²²⁶ is an apocalyptic number.

159226 is a deficient number, since it is larger than the sum of its proper divisors (79616).

159226 is an equidigital number, since it uses as much as digits as its factorization.

159226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79615.

The product of its digits is 1080, while the sum is 25.

The square root of 159226 is about 399.0313270910. The cubic root of 159226 is about 54.2006708250.

Subtracting from 159226 its sum of digits (25), we obtain a square (159201 = 399²).

The spelling of 159226 in words is "one hundred fifty-nine thousand, two hundred twenty-six".