2223221222 has 16 divisors (see below), whose sum is σ = 3358124352. Its totient is φ = 1103858280.

The previous prime is 2223221219. The next prime is 2223221237. The reversal of 2223221222 is 2221223222.

It is a junction number, because it is equal to n+sod(n) for n = 2223221194 and 2223221203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541397 + ... + 545487.

It is an arithmetic number, because the mean of its divisors is an integer number (209882772).

Almost surely, 2^2223221222 is an apocalyptic number.

2223221222 is a deficient number, since it is larger than the sum of its proper divisors (1134903130).

2223221222 is a wasteful number, since it uses less digits than its factorization.

2223221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5923.

The product of its digits is 768, while the sum is 20.

The square root of 2223221222 is about 47151.0468812730. The cubic root of 2223221222 is about 1305.1513986893.

Adding to 2223221222 its reverse (2221223222), we get a palindrome (4444444444).

The spelling of 2223221222 in words is "two billion, two hundred twenty-three million, two hundred twenty-one thousand, two hundred twenty-two".