1222231112222 has 32 divisors (see below), whose sum is σ = 1882548166752. Its totient is φ = 594817179264.

The previous prime is 1222231112191. The next prime is 1222231112227. The reversal of 1222231112222 is 2222111322221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222231112227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40948688 + ... + 40978524.

It is an arithmetic number, because the mean of its divisors is an integer number (58829630211).

Almost surely, 2^{1222231112222} is an apocalyptic number.

1222231112222 is a deficient number, since it is larger than the sum of its proper divisors (660317054530).

1222231112222 is a wasteful number, since it uses less digits than its factorization.

1222231112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31532.

The product of its digits is 768, while the sum is 23.

Adding to 1222231112222 its reverse (2222111322221), we get a palindrome (3444342434443).

The spelling of 1222231112222 in words is "one trillion, two hundred twenty-two billion, two hundred thirty-one million, one hundred twelve thousand, two hundred twenty-two".