2220865086 has 32 divisors (see below), whose sum is σ = 4857148800. Its totient is φ = 671374880.

The previous prime is 2220865069. The next prime is 2220865093. The reversal of 2220865086 is 6805680222.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12501 + ... + 67808.

It is an arithmetic number, because the mean of its divisors is an integer number (151785900).

Almost surely, 2^2220865086 is an apocalyptic number.

2220865086 is an abundant number, since it is smaller than the sum of its proper divisors (2636283714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2220865086 is a wasteful number, since it uses less digits than its factorization.

2220865086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80744.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 2220865086 is about 47126.0552773092. The cubic root of 2220865086 is about 1304.6901758586.

The spelling of 2220865086 in words is "two billion, two hundred twenty million, eight hundred sixty-five thousand, eighty-six".