1223333111222 has 16 divisors (see below), whose sum is σ = 1853215628544. Its totient is φ = 605594880000.

The previous prime is 1223333111219. The next prime is 1223333111239. The reversal of 1223333111222 is 2221113333221.

It is a junction number, because it is equal to n+sod(n) for n = 1223333111191 and 1223333111200.

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, 15215147 + ... + 15295337.

It is an arithmetic number, because the mean of its divisors is an integer number (115825976784).

Almost surely, 2^{1223333111222} is an apocalyptic number.

1223333111222 is a deficient number, since it is larger than the sum of its proper divisors (629882517322).

1223333111222 is a wasteful number, since it uses less digits than its factorization.

1223333111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155815.

The product of its digits is 2592, while the sum is 26.

Adding to 1223333111222 its reverse (2221113333221), we get a palindrome (3444446444443).

The spelling of 1223333111222 in words is "one trillion, two hundred twenty-three billion, three hundred thirty-three million, one hundred eleven thousand, two hundred twenty-two".