9722715490 has 32 divisors (see below), whose sum is σ = 17667941616. Its totient is φ = 3852011520.

The previous prime is 9722715469. The next prime is 9722715547. The reversal of 9722715490 is 945172279.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 754436089 + 8968279401 = 27467^2 + 94701^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9722715490.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2847024 + ... + 2850436.

Almost surely, 2^9722715490 is an apocalyptic number.

9722715490 is a deficient number, since it is larger than the sum of its proper divisors (7945226126).

9722715490 is a wasteful number, since it uses less digits than its factorization.

9722715490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6054.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 9722715490 is about 98603.8310107675. The cubic root of 9722715490 is about 2134.3347030414.

The spelling of 9722715490 in words is "nine billion, seven hundred twenty-two million, seven hundred fifteen thousand, four hundred ninety".