1222112002 has 8 divisors (see below), whose sum is σ = 1833624576. Its totient is φ = 610903812.

The previous prime is 1222111991. The next prime is 1222112057. The reversal of 1222112002 is 2002112221.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65778 + ... + 82285.

It is an arithmetic number, because the mean of its divisors is an integer number (229203072).

Almost surely, 2^1222112002 is an apocalyptic number.

1222112002 is a deficient number, since it is larger than the sum of its proper divisors (611512574).

1222112002 is a wasteful number, since it uses less digits than its factorization.

1222112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152192.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1222112002 is about 34958.7185405873. The cubic root of 1222112002 is about 1069.1459694737.

Adding to 1222112002 its reverse (2002112221), we get a palindrome (3224224223).

The spelling of 1222112002 in words is "one billion, two hundred twenty-two million, one hundred twelve thousand, two".