9722250625 has 20 divisors (see below), whose sum is σ = 12165483924. Its totient is φ = 7767200000.

The previous prime is 9722250599. The next prime is 9722250641. The reversal of 9722250625 is 5260522279.

It can be written as a sum of positive squares in 10 ways, for example, as 8742811009 + 979439616 = 93503^2 + 31296^2 .

It is not a de Polignac number, because 9722250625 - 2¹⁷ = 9722119553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 465405 + ... + 485845.

Almost surely, 2^9722250625 is an apocalyptic number.

It is an amenable number.

9722250625 is a deficient number, since it is larger than the sum of its proper divisors (2443233299).

9722250625 is an equidigital number, since it uses as much as digits as its factorization.

9722250625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21222 (or 21207 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 9722250625 is about 98601.4737465927. The cubic root of 9722250625 is about 2134.3006867108.

The spelling of 9722250625 in words is "nine billion, seven hundred twenty-two million, two hundred fifty thousand, six hundred twenty-five".