1223312606 has 16 divisors (see below), whose sum is σ = 1950676560. Its totient is φ = 573724800.

The previous prime is 1223312603. The next prime is 1223312617. The reversal of 1223312606 is 6062133221.

It is a super-2 number, since 2×1223312606² = 2992987463997022472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223312603) 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, 155531 + ... + 163206.

It is an arithmetic number, because the mean of its divisors is an integer number (121917285).

Almost surely, 2^1223312606 is an apocalyptic number.

1223312606 is a deficient number, since it is larger than the sum of its proper divisors (727363954).

1223312606 is a wasteful number, since it uses less digits than its factorization.

1223312606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318859.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1223312606 is about 34975.8860645445. The cubic root of 1223312606 is about 1069.4959648945.

Adding to 1223312606 its reverse (6062133221), we get a palindrome (7285445827).

The spelling of 1223312606 in words is "one billion, two hundred twenty-three million, three hundred twelve thousand, six hundred six".