1223036806 has 16 divisors (see below), whose sum is σ = 1882576080. Its totient is φ = 595563520.

The previous prime is 1223036779. The next prime is 1223036809. The reversal of 1223036806 is 6086303221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223036809) 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, 35430 + ... + 60838.

It is an arithmetic number, because the mean of its divisors is an integer number (117661005).

Almost surely, 2^1223036806 is an apocalyptic number.

1223036806 is a deficient number, since it is larger than the sum of its proper divisors (659539274).

1223036806 is a wasteful number, since it uses less digits than its factorization.

1223036806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26039.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1223036806 is about 34971.9431258831. The cubic root of 1223036806 is about 1069.4155850157.

The spelling of 1223036806 in words is "one billion, two hundred twenty-three million, thirty-six thousand, eight hundred six".