220405159 has 16 divisors (see below), whose sum is σ = 248375232. Its totient is φ = 194059008.

The previous prime is 220405151. The next prime is 220405169. The reversal of 220405159 is 951504022.

It is not a de Polignac number, because 220405159 - 2³ = 220405151 is a prime.

It is a super-2 number, since 2×220405159² = 97156868227630562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220405151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135837 + ... + 137449.

It is an arithmetic number, because the mean of its divisors is an integer number (15523452).

Almost surely, 2^220405159 is an apocalyptic number.

220405159 is a deficient number, since it is larger than the sum of its proper divisors (27970073).

220405159 is a wasteful number, since it uses less digits than its factorization.

220405159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 220405159 is about 14846.0485988697. The cubic root of 220405159 is about 604.0514325090.

The spelling of 220405159 in words is "two hundred twenty million, four hundred five thousand, one hundred fifty-nine".