2210221222 has 16 divisors (see below), whose sum is σ = 3618514944. Its totient is φ = 1004149000.

The previous prime is 2210221217. The next prime is 2210221241. The reversal of 2210221222 is 2221220122.

2210221222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2210221196 and 2210221205.

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, 22647 + ... + 70237.

It is an arithmetic number, because the mean of its divisors is an integer number (226157184).

Almost surely, 2^2210221222 is an apocalyptic number.

2210221222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2210221222 is a deficient number, since it is larger than the sum of its proper divisors (1408293722).

2210221222 is a wasteful number, since it uses less digits than its factorization.

2210221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49715.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2210221222 is about 47012.9899283166. The cubic root of 2210221222 is about 1302.6025225229.

Adding to 2210221222 its reverse (2221220122), we get a palindrome (4431441344).

The spelling of 2210221222 in words is "two billion, two hundred ten million, two hundred twenty-one thousand, two hundred twenty-two".