8021834225 has 12 divisors (see below), whose sum is σ = 9948483420. Its totient is φ = 6416558400.

The previous prime is 8021834153. The next prime is 8021834231. The reversal of 8021834225 is 5224381208.

It can be written as a sum of positive squares in 6 ways, for example, as 892396129 + 7129438096 = 29873^2 + 84436^2 .

It is not a de Polignac number, because 8021834225 - 2¹⁰ = 8021833201 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200171 + ... + 236879.

It is an arithmetic number, because the mean of its divisors is an integer number (829040285).

Almost surely, 2^8021834225 is an apocalyptic number.

It is an amenable number.

8021834225 is a deficient number, since it is larger than the sum of its proper divisors (1926649195).

8021834225 is a wasteful number, since it uses less digits than its factorization.

8021834225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45460 (or 45455 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 8021834225 is about 89564.6929598935. The cubic root of 8021834225 is about 2001.8178659311.

The spelling of 8021834225 in words is "eight billion, twenty-one million, eight hundred thirty-four thousand, two hundred twenty-five".