1223322213 has 8 divisors (see below), whose sum is σ = 1631268576. Its totient is φ = 815462000.

The previous prime is 1223322209. The next prime is 1223322223. The reversal of 1223322213 is 3122233221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1223322213 - 2² = 1223322209 is a prime.

It is a super-3 number, since 3×1223322213³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1223322213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223322223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27643 + ... + 56663.

It is an arithmetic number, because the mean of its divisors is an integer number (203908572).

Almost surely, 2^1223322213 is an apocalyptic number.

It is an amenable number.

1223322213 is a deficient number, since it is larger than the sum of its proper divisors (407946363).

1223322213 is a wasteful number, since it uses less digits than its factorization.

1223322213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43075.

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

The square root of 1223322213 is about 34976.0234017534. The cubic root of 1223322213 is about 1069.4987645661.

Adding to 1223322213 its reverse (3122233221), we get a palindrome (4345555434).

The spelling of 1223322213 in words is "one billion, two hundred twenty-three million, three hundred twenty-two thousand, two hundred thirteen".