220421159 has 6 divisors (see below), whose sum is σ = 256408344. Its totient is φ = 188932380.

The previous prime is 220421153. The next prime is 220421161. The reversal of 220421159 is 951124022.

220421159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220421159 - 2⁸ = 220420903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220421153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2249147 + ... + 2249244.

It is an arithmetic number, because the mean of its divisors is an integer number (42734724).

Almost surely, 2^220421159 is an apocalyptic number.

220421159 is a deficient number, since it is larger than the sum of its proper divisors (35987185).

220421159 is an equidigital number, since it uses as much as digits as its factorization.

220421159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4498405 (or 4498398 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 220421159 is about 14846.5874530142. The cubic root of 220421159 is about 604.0660489077.

The spelling of 220421159 in words is "two hundred twenty million, four hundred twenty-one thousand, one hundred fifty-nine".