1223330213 has 16 divisors (see below), whose sum is σ = 1425807360. Its totient is φ = 1027950000.

The previous prime is 1223330209. The next prime is 1223330221. The reversal of 1223330213 is 3120333221.

It is not a de Polignac number, because 1223330213 - 2² = 1223330209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223330513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82088 + ... + 95838.

It is an arithmetic number, because the mean of its divisors is an integer number (89112960).

Almost surely, 2^1223330213 is an apocalyptic number.

It is an amenable number.

1223330213 is a deficient number, since it is larger than the sum of its proper divisors (202477147).

1223330213 is a wasteful number, since it uses less digits than its factorization.

1223330213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14008.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1223330213 is about 34976.1377656253. The cubic root of 1223330213 is about 1069.5010959147.

Adding to 1223330213 its reverse (3120333221), we get a palindrome (4343663434).

The spelling of 1223330213 in words is "one billion, two hundred twenty-three million, three hundred thirty thousand, two hundred thirteen".