1222202713 has 4 divisors (see below), whose sum is σ = 1226107828. Its totient is φ = 1218297600.

The previous prime is 1222202701. The next prime is 1222202749. The reversal of 1222202713 is 3172022221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3172022221 = 32327 ⋅98123.

It can be written as a sum of positive squares in 2 ways, for example, as 650658064 + 571544649 = 25508^2 + 23907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222202713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222202753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1952088 + ... + 1952713.

It is an arithmetic number, because the mean of its divisors is an integer number (306526957).

Almost surely, 2^1222202713 is an apocalyptic number.

It is an amenable number.

1222202713 is a deficient number, since it is larger than the sum of its proper divisors (3905115).

1222202713 is an equidigital number, since it uses as much as digits as its factorization.

1222202713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905114.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1222202713 is about 34960.0159181886. The cubic root of 1222202713 is about 1069.1724211956.

Adding to 1222202713 its reverse (3172022221), we get a palindrome (4394224934).

The spelling of 1222202713 in words is "one billion, two hundred twenty-two million, two hundred two thousand, seven hundred thirteen".