220228085 has 32 divisors (see below), whose sum is σ = 331167744. Its totient is φ = 136584000.

The previous prime is 220228067. The next prime is 220228103. The reversal of 220228085 is 580822022.

220228085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220228067) and next prime (220228103).

It is not a de Polignac number, because 220228085 - 2¹⁴ = 220211701 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79880 + ... + 82590.

It is an arithmetic number, because the mean of its divisors is an integer number (10348992).

Almost surely, 2^220228085 is an apocalyptic number.

It is an amenable number.

220228085 is a deficient number, since it is larger than the sum of its proper divisors (110939659).

220228085 is a wasteful number, since it uses less digits than its factorization.

220228085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 220228085 is about 14840.0837261789. The cubic root of 220228085 is about 603.8896237427.

The spelling of 220228085 in words is "two hundred twenty million, two hundred twenty-eight thousand, eighty-five".