8323221901 has 2 divisors, whose sum is σ = 8323221902. Its totient is φ = 8323221900.

The previous prime is 8323221887. The next prime is 8323221911. The reversal of 8323221901 is 1091223238.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7678315876 + 644906025 = 87626^2 + 25395^2 .

It is a cyclic number.

It is not a de Polignac number, because 8323221901 - 2¹³ = 8323213709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8323221911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4161610950 + 4161610951.

It is an arithmetic number, because the mean of its divisors is an integer number (4161610951).

Almost surely, 2^8323221901 is an apocalyptic number.

It is an amenable number.

8323221901 is a deficient number, since it is larger than the sum of its proper divisors (1).

8323221901 is an equidigital number, since it uses as much as digits as its factorization.

8323221901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 8323221901 is about 91231.6935116300. The cubic root of 8323221901 is about 2026.5803363281.

The spelling of 8323221901 in words is "eight billion, three hundred twenty-three million, two hundred twenty-one thousand, nine hundred one".