158288226 has 16 divisors (see below), whose sum is σ = 317519904. Its totient is φ = 52605504.

The previous prime is 158288171. The next prime is 158288227. The reversal of 158288226 is 622882851.

158288226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (158288227) 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, 37120 + ... + 41163.

It is an arithmetic number, because the mean of its divisors is an integer number (19844994).

Almost surely, 2^158288226 is an apocalyptic number.

158288226 is an abundant number, since it is smaller than the sum of its proper divisors (159231678).

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

158288226 is a wasteful number, since it uses less digits than its factorization.

158288226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78625.

The product of its digits is 122880, while the sum is 42.

The square root of 158288226 is about 12581.2648807662. The cubic root of 158288226 is about 540.9405487702.

The spelling of 158288226 in words is "one hundred fifty-eight million, two hundred eighty-eight thousand, two hundred twenty-six".