1223316226 has 64 divisors (see below), whose sum is σ = 2243966976. Its totient is φ = 493292800.

The previous prime is 1223316223. The next prime is 1223316257. The reversal of 1223316226 is 6226133221.

It is a junction number, because it is equal to n+sod(n) for n = 1223316194 and 1223316203.

It is not an unprimeable number, because it can be changed into a prime (1223316223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 609741 + ... + 611743.

It is an arithmetic number, because the mean of its divisors is an integer number (35061984).

Almost surely, 2^1223316226 is an apocalyptic number.

1223316226 is a deficient number, since it is larger than the sum of its proper divisors (1020650750).

1223316226 is a wasteful number, since it uses less digits than its factorization.

1223316226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127.

The product of its digits is 5184, while the sum is 28.

The square root of 1223316226 is about 34975.9378144461. The cubic root of 1223316226 is about 1069.4970198365.

Adding to 1223316226 its reverse (6226133221), we get a palindrome (7449449447).

The spelling of 1223316226 in words is "one billion, two hundred twenty-three million, three hundred sixteen thousand, two hundred twenty-six".