2220521886 has 24 divisors (see below), whose sum is σ = 5248506744. Its totient is φ = 672885360.

The previous prime is 2220521881. The next prime is 2220521903. The reversal of 2220521886 is 6881250222.

2220521886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2220521886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220521881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5607181 + ... + 5607576.

It is an arithmetic number, because the mean of its divisors is an integer number (218687781).

Almost surely, 2^2220521886 is an apocalyptic number.

2220521886 is an abundant number, since it is smaller than the sum of its proper divisors (3027984858).

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

2220521886 is a wasteful number, since it uses less digits than its factorization.

2220521886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11214776 (or 11214773 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 2220521886 is about 47122.4138388517. The cubic root of 2220521886 is about 1304.6229659024.

The spelling of 2220521886 in words is "two billion, two hundred twenty million, five hundred twenty-one thousand, eight hundred eighty-six".