7722266620 has 48 divisors (see below), whose sum is σ = 16319001888. Its totient is φ = 3069480960.

The previous prime is 7722266603. The next prime is 7722266639. The reversal of 7722266620 is 266622277.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4122004 + ... + 4123876.

It is an arithmetic number, because the mean of its divisors is an integer number (339979206).

Almost surely, 2^7722266620 is an apocalyptic number.

It is an amenable number.

7722266620 is an abundant number, since it is smaller than the sum of its proper divisors (8596735268).

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

7722266620 is a wasteful number, since it uses less digits than its factorization.

7722266620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070 (or 3068 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 7722266620 is about 87876.4281249528. The cubic root of 7722266620 is about 1976.5824305358.

Adding to 7722266620 its reverse (266622277), we get a palindrome (7988888897).

The spelling of 7722266620 in words is "seven billion, seven hundred twenty-two million, two hundred sixty-six thousand, six hundred twenty".