1223336056 has 16 divisors (see below), whose sum is σ = 2301231240. Its totient is φ = 609674400.

The previous prime is 1223336017. The next prime is 1223336057. The reversal of 1223336056 is 6506333221.

It is a happy number.

It is a super-2 number, since 2×1223336056² = 2993102211819270272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223336057) 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 3 ways as a sum of consecutive naturals, for example, 246595 + ... + 251506.

Almost surely, 2^1223336056 is an apocalyptic number.

It is an amenable number.

1223336056 is a deficient number, since it is larger than the sum of its proper divisors (1077895184).

1223336056 is a wasteful number, since it uses less digits than its factorization.

1223336056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498414 (or 498410 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 1223336056 is about 34976.2212939019. The cubic root of 1223336056 is about 1069.5027986670.

Adding to 1223336056 its reverse (6506333221), we get a palindrome (7729669277).

The spelling of 1223336056 in words is "one billion, two hundred twenty-three million, three hundred thirty-six thousand, fifty-six".