1222716717 has 12 divisors (see below), whose sum is σ = 1766647584. Its totient is φ = 814913160.

The previous prime is 1222716707. The next prime is 1222716749. The reversal of 1222716717 is 7176172221.

It is not a de Polignac number, because 1222716717 - 2⁸ = 1222716461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222716707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17992 + ... + 52622.

It is an arithmetic number, because the mean of its divisors is an integer number (147220632).

Almost surely, 2^1222716717 is an apocalyptic number.

It is an amenable number.

1222716717 is a deficient number, since it is larger than the sum of its proper divisors (543930867).

1222716717 is a wasteful number, since it uses less digits than its factorization.

1222716717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38560 (or 38557 counting only the distinct ones).

The product of its digits is 16464, while the sum is 36.

The square root of 1222716717 is about 34967.3664578847. The cubic root of 1222716717 is about 1069.3222822820.

Adding to 1222716717 its reverse (7176172221), we get a palindrome (8398888938).

The spelling of 1222716717 in words is "one billion, two hundred twenty-two million, seven hundred sixteen thousand, seven hundred seventeen".