848209221 has 12 divisors (see below), whose sum is σ = 1232038080. Its totient is φ = 562312680.

The previous prime is 848209217. The next prime is 848209231. The reversal of 848209221 is 122902848.

It is not a de Polignac number, because 848209221 - 2² = 848209217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (848209231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261645 + ... + 264866.

It is an arithmetic number, because the mean of its divisors is an integer number (102669840).

Almost surely, 2^848209221 is an apocalyptic number.

It is an amenable number.

848209221 is a deficient number, since it is larger than the sum of its proper divisors (383828859).

848209221 is a wasteful number, since it uses less digits than its factorization.

848209221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526696 (or 526693 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 848209221 is about 29124.0316748901. The cubic root of 848209221 is about 946.6025349307.

The spelling of 848209221 in words is "eight hundred forty-eight million, two hundred nine thousand, two hundred twenty-one".