9719002225 has 9 divisors (see below), whose sum is σ = 12052174017. Its totient is φ = 7774807440.

The previous prime is 9719002219. The next prime is 9719002229. The reversal of 9719002225 is 5222009179.

The square root of 9719002225 is 98585.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3793697649 + 5925304576 = 61593^2 + 76976^2 .

It is not a de Polignac number, because 9719002225 - 2¹⁷ = 9718871153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9719002229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 483067 + ... + 502783.

Almost surely, 2^9719002225 is an apocalyptic number.

9719002225 is the 98585-th square number.

9719002225 is the 49293-rd centered octagonal number.

It is an amenable number.

9719002225 is a deficient number, since it is larger than the sum of its proper divisors (2333171792).

9719002225 is an frugal number, since it uses more digits than its factorization.

9719002225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39444 (or 19722 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The cubic root of 9719002225 is about 2134.0629559315.

The spelling of 9719002225 in words is "nine billion, seven hundred nineteen million, two thousand, two hundred twenty-five".