220028859 has 16 divisors (see below), whose sum is σ = 327277440. Its totient is φ = 146097000.

The previous prime is 220028857. The next prime is 220028867. The reversal of 220028859 is 958820022.

It is not a de Polignac number, because 220028859 - 2¹ = 220028857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220028857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9457 + ... + 23010.

It is an arithmetic number, because the mean of its divisors is an integer number (20454840).

Almost surely, 2^220028859 is an apocalyptic number.

220028859 is a deficient number, since it is larger than the sum of its proper divisors (107248581).

220028859 is a wasteful number, since it uses less digits than its factorization.

220028859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32727 (or 32721 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 220028859 is about 14833.3697789814. The cubic root of 220028859 is about 603.7074689379.

The spelling of 220028859 in words is "two hundred twenty million, twenty-eight thousand, eight hundred fifty-nine".