8332722217 has 2 divisors, whose sum is σ = 8332722218. Its totient is φ = 8332722216.

The previous prime is 8332722179. The next prime is 8332722239. The reversal of 8332722217 is 7122272338.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5310911376 + 3021810841 = 72876^2 + 54971^2 .

It is a cyclic number.

It is not a de Polignac number, because 8332722217 - 2¹¹ = 8332720169 is a prime.

It is not a weakly prime, because it can be changed into another prime (8332722247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4166361108 + 4166361109.

It is an arithmetic number, because the mean of its divisors is an integer number (4166361109).

Almost surely, 2^8332722217 is an apocalyptic number.

It is an amenable number.

8332722217 is a deficient number, since it is larger than the sum of its proper divisors (1).

8332722217 is an equidigital number, since it uses as much as digits as its factorization.

8332722217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 37.

The square root of 8332722217 is about 91283.7456341489. The cubic root of 8332722217 is about 2027.3511048732.

The spelling of 8332722217 in words is "eight billion, three hundred thirty-two million, seven hundred twenty-two thousand, two hundred seventeen".