1222043223 has 16 divisors (see below), whose sum is σ = 1660527360. Its totient is φ = 799186176.

The previous prime is 1222043213. The next prime is 1222043227. The reversal of 1222043223 is 3223402221.

It is not a de Polignac number, because 1222043223 - 2¹⁸ = 1221781079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222043223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222043227) 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 15 ways as a sum of consecutive naturals, for example, 79111 + ... + 93287.

It is an arithmetic number, because the mean of its divisors is an integer number (103782960).

Almost surely, 2^1222043223 is an apocalyptic number.

1222043223 is a deficient number, since it is larger than the sum of its proper divisors (438484137).

1222043223 is a wasteful number, since it uses less digits than its factorization.

1222043223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14726.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1222043223 is about 34957.7348093380. The cubic root of 1222043223 is about 1069.1259123458.

Adding to 1222043223 its reverse (3223402221), we get a palindrome (4445445444).

It can be divided in two parts, 1222043 and 223, that added together give a triangular number (1222266 = T₁₅₆₃).

The spelling of 1222043223 in words is "one billion, two hundred twenty-two million, forty-three thousand, two hundred twenty-three".