1222331223 has 8 divisors (see below), whose sum is σ = 1673823088. Its totient is φ = 792863424.

The previous prime is 1222331221. The next prime is 1222331249. The reversal of 1222331223 is 3221332221.

It is a happy number.

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

It is not a de Polignac number, because 1222331223 - 2¹ = 1222331221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222331223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222331221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5505886 + ... + 5506107.

It is an arithmetic number, because the mean of its divisors is an integer number (209227886).

Almost surely, 2^1222331223 is an apocalyptic number.

1222331223 is a deficient number, since it is larger than the sum of its proper divisors (451491865).

1222331223 is a wasteful number, since it uses less digits than its factorization.

1222331223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11012033.

The product of its digits is 864, while the sum is 21.

The square root of 1222331223 is about 34961.8538267066. The cubic root of 1222331223 is about 1069.2098930299.

Adding to 1222331223 its reverse (3221332221), we get a palindrome (4443663444).

The spelling of 1222331223 in words is "one billion, two hundred twenty-two million, three hundred thirty-one thousand, two hundred twenty-three".