2221200022 has 32 divisors (see below), whose sum is σ = 3557986560. Its totient is φ = 1037694240.

The previous prime is 2221200017. The next prime is 2221200031. The reversal of 2221200022 is 2200021222.

It is a junction number, because it is equal to n+sod(n) for n = 2221199975 and 2221200011.

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, 439872 + ... + 444892.

It is an arithmetic number, because the mean of its divisors is an integer number (111187080).

Almost surely, 2^2221200022 is an apocalyptic number.

2221200022 is a deficient number, since it is larger than the sum of its proper divisors (1336786538).

2221200022 is a wasteful number, since it uses less digits than its factorization.

2221200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5268.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2221200022 is about 47129.6087613721. The cubic root of 2221200022 is about 1304.7557607735.

Adding to 2221200022 its reverse (2200021222), we get a palindrome (4421221244).

The spelling of 2221200022 in words is "two billion, two hundred twenty-one million, two hundred thousand, twenty-two".