1222101222 has 8 divisors (see below), whose sum is σ = 2444202456. Its totient is φ = 407367072.

The previous prime is 1222101211. The next prime is 1222101229. The reversal of 1222101222 is 2221012221.

1222101222 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

1222101222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222101229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101841763 + ... + 101841774.

It is an arithmetic number, because the mean of its divisors is an integer number (305525307).

Almost surely, 2^1222101222 is an apocalyptic number.

1222101222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1222101222 is a wasteful number, since it uses less digits than its factorization.

1222101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203683542.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1222101222 is about 34958.5643583944. The cubic root of 1222101222 is about 1069.1428258918.

Adding to 1222101222 its reverse (2221012221), we get a palindrome (3443113443).

The spelling of 1222101222 in words is "one billion, two hundred twenty-two million, one hundred one thousand, two hundred twenty-two".