1222323224 has 32 divisors (see below), whose sum is σ = 2402028000. Its totient is φ = 582016512.

The previous prime is 1222323209. The next prime is 1222323229. The reversal of 1222323224 is 4223232221.

1222323224 = T₁₁₁ + T₁₁₂ + ... + T₁₉₄₂.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 1222323224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222323229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27632 + ... + 56640.

It is an arithmetic number, because the mean of its divisors is an integer number (75063375).

Almost surely, 2^1222323224 is an apocalyptic number.

It is an amenable number.

1222323224 is a deficient number, since it is larger than the sum of its proper divisors (1179704776).

1222323224 is a wasteful number, since it uses less digits than its factorization.

1222323224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29267 (or 29263 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 1222323224 is about 34961.7394304116. The cubic root of 1222323224 is about 1069.2075607028.

Adding to 1222323224 its reverse (4223232221), we get a palindrome (5445555445).

The spelling of 1222323224 in words is "one billion, two hundred twenty-two million, three hundred twenty-three thousand, two hundred twenty-four".