7722313 has 4 divisors (see below), whose sum is σ = 7756560. Its totient is φ = 7688068.

The previous prime is 7722287. The next prime is 7722331. The reversal of 7722313 is 3132277.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7722313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7722343) 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, 16783 + ... + 17236.

It is an arithmetic number, because the mean of its divisors is an integer number (1939140).

Almost surely, 2^7722313 is an apocalyptic number.

It is an amenable number.

7722313 is a deficient number, since it is larger than the sum of its proper divisors (34247).

7722313 is a wasteful number, since it uses less digits than its factorization.

7722313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34246.

The product of its digits is 1764, while the sum is 25.

The square root of 7722313 is about 2778.9050001754. The cubic root of 7722313 is about 197.6586387652.

The spelling of 7722313 in words is "seven million, seven hundred twenty-two thousand, three hundred thirteen".