1222716966 has 16 divisors (see below), whose sum is σ = 2529759600. Its totient is φ = 393518048.

The previous prime is 1222716947. The next prime is 1222716967. The reversal of 1222716966 is 6696172221.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222716967) 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 7 ways as a sum of consecutive naturals, for example, 3513381 + ... + 3513728.

It is an arithmetic number, because the mean of its divisors is an integer number (158109975).

Almost surely, 2^1222716966 is an apocalyptic number.

1222716966 is an abundant number, since it is smaller than the sum of its proper divisors (1307042634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222716966 is a wasteful number, since it uses less digits than its factorization.

1222716966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7027143.

The product of its digits is 108864, while the sum is 42.

The square root of 1222716966 is about 34967.3700183471. The cubic root of 1222716966 is about 1069.3223548694.

The spelling of 1222716966 in words is "one billion, two hundred twenty-two million, seven hundred sixteen thousand, nine hundred sixty-six".