8830919221 has 2 divisors, whose sum is σ = 8830919222. Its totient is φ = 8830919220.

The previous prime is 8830919183. The next prime is 8830919249. The reversal of 8830919221 is 1229190388.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8044116721 + 786802500 = 89689^2 + 28050^2 .

It is a cyclic number.

It is not a de Polignac number, because 8830919221 - 2⁹ = 8830918709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8830919291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4415459610 + 4415459611.

It is an arithmetic number, because the mean of its divisors is an integer number (4415459611).

Almost surely, 2^8830919221 is an apocalyptic number.

It is an amenable number.

8830919221 is a deficient number, since it is larger than the sum of its proper divisors (1).

8830919221 is an equidigital number, since it uses as much as digits as its factorization.

8830919221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 8830919221 is about 93972.9706937053. The cubic root of 8830919221 is about 2066.9753815822.

The spelling of 8830919221 in words is "eight billion, eight hundred thirty million, nine hundred nineteen thousand, two hundred twenty-one".