2221102256 has 20 divisors (see below), whose sum is σ = 4306420800. Its totient is φ = 1109767872.

The previous prime is 2221102243. The next prime is 2221102271. The reversal of 2221102256 is 6522011222.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25211 + ... + 71258.

It is an arithmetic number, because the mean of its divisors is an integer number (215321040).

Almost surely, 2^2221102256 is an apocalyptic number.

It is an amenable number.

2221102256 is a deficient number, since it is larger than the sum of its proper divisors (2085318544).

2221102256 is a wasteful number, since it uses less digits than its factorization.

2221102256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97916 (or 97910 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2221102256 is about 47128.5715463560. The cubic root of 2221102256 is about 1304.7366175743.

Adding to 2221102256 its reverse (6522011222), we get a palindrome (8743113478).

The spelling of 2221102256 in words is "two billion, two hundred twenty-one million, one hundred two thousand, two hundred fifty-six".