4224208867997 has 2 divisors, whose sum is σ = 4224208867998. Its totient is φ = 4224208867996.

The previous prime is 4224208867913. The next prime is 4224208867999. The reversal of 4224208867997 is 7997688024224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3183266157241 + 1040942710756 = 1784171^2 + 1020266^2 .

It is a cyclic number.

It is not a de Polignac number, because 4224208867997 - 2¹⁴ = 4224208851613 is a prime.

Together with 4224208867999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4224208867999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2112104433998 + 2112104433999.

It is an arithmetic number, because the mean of its divisors is an integer number (2112104433999).

Almost surely, 2^{4224208867997} is an apocalyptic number.

It is an amenable number.

4224208867997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4224208867997 is an equidigital number, since it uses as much as digits as its factorization.

4224208867997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 195084288, while the sum is 68.

The spelling of 4224208867997 in words is "four trillion, two hundred twenty-four billion, two hundred eight million, eight hundred sixty-seven thousand, nine hundred ninety-seven".