4220197697 has 2 divisors, whose sum is σ = 4220197698. Its totient is φ = 4220197696.

The previous prime is 4220197669. The next prime is 4220197699. The reversal of 4220197697 is 7967910224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3752297536 + 467900161 = 61256^2 + 21631^2 .

It is a cyclic number.

It is not a de Polignac number, because 4220197697 - 2⁸ = 4220197441 is a prime.

Together with 4220197699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4220197699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110098848 + 2110098849.

It is an arithmetic number, because the mean of its divisors is an integer number (2110098849).

Almost surely, 2^4220197697 is an apocalyptic number.

It is an amenable number.

4220197697 is a deficient number, since it is larger than the sum of its proper divisors (1).

4220197697 is an equidigital number, since it uses as much as digits as its factorization.

4220197697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 4220197697 is about 64963.0487046290. The cubic root of 4220197697 is about 1616.0108241574.

The spelling of 4220197697 in words is "four billion, two hundred twenty million, one hundred ninety-seven thousand, six hundred ninety-seven".