2221000022 has 32 divisors (see below), whose sum is σ = 3626726400. Its totient is φ = 1016215200.

The previous prime is 2220999997. The next prime is 2221000043. The reversal of 2221000022 is 2200001222.

It is a junction number, because it is equal to n+sod(n) for n = 2220999967 and 2221000012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774872 + ... + 777732.

It is an arithmetic number, because the mean of its divisors is an integer number (113335200).

Almost surely, 2^2221000022 is an apocalyptic number.

2221000022 is a deficient number, since it is larger than the sum of its proper divisors (1405726378).

2221000022 is a wasteful number, since it uses less digits than its factorization.

2221000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3572.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2221000022 is about 47127.4869052021. The cubic root of 2221000022 is about 1304.7165989117.

Adding to 2221000022 its reverse (2200001222), we get a palindrome (4421001244).

The spelling of 2221000022 in words is "two billion, two hundred twenty-one million, twenty-two", and thus it is an aban number.