8220754229 has 2 divisors, whose sum is σ = 8220754230. Its totient is φ = 8220754228.

The previous prime is 8220754153. The next prime is 8220754261. The reversal of 8220754229 is 9224570228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5387853604 + 2832900625 = 73402^2 + 53225^2 .

It is a cyclic number.

It is not a de Polignac number, because 8220754229 - 2³² = 3925786933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8220754429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4110377114 + 4110377115.

It is an arithmetic number, because the mean of its divisors is an integer number (4110377115).

Almost surely, 2^8220754229 is an apocalyptic number.

It is an amenable number.

8220754229 is a deficient number, since it is larger than the sum of its proper divisors (1).

8220754229 is an equidigital number, since it uses as much as digits as its factorization.

8220754229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 8220754229 is about 90668.3750212829. The cubic root of 8220754229 is about 2018.2295231632.

The spelling of 8220754229 in words is "eight billion, two hundred twenty million, seven hundred fifty-four thousand, two hundred twenty-nine".