159920222 has 48 divisors (see below), whose sum is σ = 307430640. Its totient is φ = 61689600.

The previous prime is 159920183. The next prime is 159920261. The reversal of 159920222 is 222029951.

It is an interprime number because it is at equal distance from previous prime (159920183) and next prime (159920261).

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116822 + ... + 118182.

It is an arithmetic number, because the mean of its divisors is an integer number (6404805).

Almost surely, 2^159920222 is an apocalyptic number.

159920222 is a deficient number, since it is larger than the sum of its proper divisors (147510418).

159920222 is a wasteful number, since it uses less digits than its factorization.

159920222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497 (or 1490 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 159920222 is about 12645.9567451419. The cubic root of 159920222 is about 542.7932788147.

The spelling of 159920222 in words is "one hundred fifty-nine million, nine hundred twenty thousand, two hundred twenty-two".