159591022 has 4 divisors (see below), whose sum is σ = 239386536. Its totient is φ = 79795510.

The previous prime is 159591011. The next prime is 159591037. The reversal of 159591022 is 220195951.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39897754 + ... + 39897757.

It is an arithmetic number, because the mean of its divisors is an integer number (59846634).

Almost surely, 2^159591022 is an apocalyptic number.

159591022 is a deficient number, since it is larger than the sum of its proper divisors (79795514).

159591022 is an equidigital number, since it uses as much as digits as its factorization.

159591022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79795513.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 159591022 is about 12632.9340218336. The cubic root of 159591022 is about 542.4205715223.

The spelling of 159591022 in words is "one hundred fifty-nine million, five hundred ninety-one thousand, twenty-two".