220421158 has 8 divisors (see below), whose sum is σ = 331400160. Its totient is φ = 109954440.

The previous prime is 220421153. The next prime is 220421161. The reversal of 220421158 is 851124022.

It is a sphenic number, since it is the product of 3 distinct primes.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126993 + ... + 128716.

It is an arithmetic number, because the mean of its divisors is an integer number (41425020).

Almost surely, 2^220421158 is an apocalyptic number.

220421158 is a deficient number, since it is larger than the sum of its proper divisors (110979002).

220421158 is a wasteful number, since it uses less digits than its factorization.

220421158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256142.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 220421158 is about 14846.5874193365. The cubic root of 220421158 is about 604.0660479942.

The spelling of 220421158 in words is "two hundred twenty million, four hundred twenty-one thousand, one hundred fifty-eight".