2222001222 has 16 divisors (see below), whose sum is σ = 5078860032. Its totient is φ = 634857480.

The previous prime is 2222001211. The next prime is 2222001247. The reversal of 2222001222 is 2221002222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26452354 + ... + 26452437.

It is an arithmetic number, because the mean of its divisors is an integer number (317428752).

Almost surely, 2^2222001222 is an apocalyptic number.

2222001222 is an abundant number, since it is smaller than the sum of its proper divisors (2856858810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222001222 is a wasteful number, since it uses less digits than its factorization.

2222001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52904803.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2222001222 is about 47138.1079594843. The cubic root of 2222001222 is about 1304.9126196246.

Adding to 2222001222 its reverse (2221002222), we get a palindrome (4443003444).

The spelling of 2222001222 in words is "two billion, two hundred twenty-two million, one thousand, two hundred twenty-two".