9722946025 has 81 divisors (see below), whose sum is σ = 13752832653. Its totient is φ = 6815577600.

The previous prime is 9722945959. The next prime is 9722946053. The reversal of 9722946025 is 5206492279.

The square root of 9722946025 is 98605.

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

It can be written as a sum of positive squares in 40 ways, for example, as 6241474009 + 3481472016 = 79003^2 + 59004^2 .

It is a de Polignac number, because none of the positive numbers 2^k-9722946025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 237145005 + ... + 237145045.

Almost surely, 2^9722946025 is an apocalyptic number.

9722946025 is the 98605-th square number.

9722946025 is the 49303-rd centered octagonal number.

It is an amenable number.

9722946025 is a deficient number, since it is larger than the sum of its proper divisors (4029886628).

9722946025 is a wasteful number, since it uses less digits than its factorization.

9722946025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The cubic root of 9722946025 is about 2134.3515719557.

The spelling of 9722946025 in words is "nine billion, seven hundred twenty-two million, nine hundred forty-six thousand, twenty-five".