159220395 has 12 divisors (see below), whose sum is σ = 275982096. Its totient is φ = 84917520.

The previous prime is 159220363. The next prime is 159220403. The reversal of 159220395 is 593022951.

It is a happy number.

It is not a de Polignac number, because 159220395 - 2⁵ = 159220363 is a prime.

It is a super-2 number, since 2×159220395² = 50702268367912050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1769071 + ... + 1769160.

It is an arithmetic number, because the mean of its divisors is an integer number (22998508).

Almost surely, 2^159220395 is an apocalyptic number.

159220395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

159220395 is a deficient number, since it is larger than the sum of its proper divisors (116761701).

159220395 is a wasteful number, since it uses less digits than its factorization.

159220395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3538242 (or 3538239 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 159220395 is about 12618.2564167955. The cubic root of 159220395 is about 542.0003483520. Note that the first 3 decimals are identical.

The spelling of 159220395 in words is "one hundred fifty-nine million, two hundred twenty thousand, three hundred ninety-five".