2221313222 has 16 divisors (see below), whose sum is σ = 3354093600. Its totient is φ = 1103300352.

The previous prime is 2221313219. The next prime is 2221313233. The reversal of 2221313222 is 2223131222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2221313194 and 2221313203.

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 7 ways as a sum of consecutive naturals, for example, 263708 + ... + 272000.

It is an arithmetic number, because the mean of its divisors is an integer number (209630850).

Almost surely, 2^2221313222 is an apocalyptic number.

2221313222 is a deficient number, since it is larger than the sum of its proper divisors (1132780378).

2221313222 is a wasteful number, since it uses less digits than its factorization.

2221313222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9167.

The product of its digits is 576, while the sum is 20.

The square root of 2221313222 is about 47130.8096896287. The cubic root of 2221313222 is about 1304.7779253454. Note that the first 3 decimals are identical.

Adding to 2221313222 its reverse (2223131222), we get a palindrome (4444444444).

The spelling of 2221313222 in words is "two billion, two hundred twenty-one million, three hundred thirteen thousand, two hundred twenty-two".