9804894225 has 24 divisors (see below), whose sum is σ = 18526582080. Its totient is φ = 4482237120.

The previous prime is 9804894221. The next prime is 9804894299. The reversal of 9804894225 is 5224984089.

It is not a de Polignac number, because 9804894225 - 2² = 9804894221 is a prime.

It is a super-2 number, since 2×9804894225² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9804894221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9337470 + ... + 9338519.

It is an arithmetic number, because the mean of its divisors is an integer number (771940920).

Almost surely, 2^9804894225 is an apocalyptic number.

It is an amenable number.

9804894225 is a deficient number, since it is larger than the sum of its proper divisors (8721687855).

9804894225 is a wasteful number, since it uses less digits than its factorization.

9804894225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18676009 (or 18676004 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The square root of 9804894225 is about 99019.6658497695. The cubic root of 9804894225 is about 2140.3311439842.

The spelling of 9804894225 in words is "nine billion, eight hundred four million, eight hundred ninety-four thousand, two hundred twenty-five".