9822420625 has 10 divisors (see below), whose sum is σ = 12274097594. Its totient is φ = 7857936000.

The previous prime is 9822420617. The next prime is 9822420661. The reversal of 9822420625 is 5260242289.

9822420625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 2445500304 + 7376920321 = 49452^2 + 85889^2 .

It is not a de Polignac number, because 9822420625 - 2³ = 9822420617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7857312 + ... + 7858561.

Almost surely, 2^9822420625 is an apocalyptic number.

It is an amenable number.

9822420625 is a deficient number, since it is larger than the sum of its proper divisors (2451676969).

9822420625 is an equidigital number, since it uses as much as digits as its factorization.

9822420625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15715893 (or 15715878 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 9822420625 is about 99108.1259282003. The cubic root of 9822420625 is about 2141.6056765390.

The spelling of 9822420625 in words is "nine billion, eight hundred twenty-two million, four hundred twenty thousand, six hundred twenty-five".