9828571225 has 24 divisors (see below), whose sum is σ = 13353520320. Its totient is φ = 7116792000.

The previous prime is 9828571223. The next prime is 9828571283. The reversal of 9828571225 is 5221758289.

It is not a de Polignac number, because 9828571225 - 2¹ = 9828571223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9828571223) 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, 15061 + ... + 141010.

It is an arithmetic number, because the mean of its divisors is an integer number (556396680).

Almost surely, 2^9828571225 is an apocalyptic number.

It is an amenable number.

9828571225 is a deficient number, since it is larger than the sum of its proper divisors (3524949095).

9828571225 is a wasteful number, since it uses less digits than its factorization.

9828571225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156321 (or 156316 counting only the distinct ones).

The product of its digits is 806400, while the sum is 49.

The square root of 9828571225 is about 99139.1508184330. The cubic root of 9828571225 is about 2142.0525932396.

The spelling of 9828571225 in words is "nine billion, eight hundred twenty-eight million, five hundred seventy-one thousand, two hundred twenty-five".