223220164467397 has 2 divisors, whose sum is σ = 223220164467398. Its totient is φ = 223220164467396.

The previous prime is 223220164467367. The next prime is 223220164467407. The reversal of 223220164467397 is 793764461022322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160060173917121 + 63159990550276 = 12651489^2 + 7947326^2 .

It is a cyclic number.

It is not a de Polignac number, because 223220164467397 - 2⁷ = 223220164467269 is a prime.

It is a super-3 number, since 3×223220164467397³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223220164467367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111610082233698 + 111610082233699.

It is an arithmetic number, because the mean of its divisors is an integer number (111610082233699).

Almost surely, 2^{223220164467397} is an apocalyptic number.

It is an amenable number.

223220164467397 is a deficient number, since it is larger than the sum of its proper divisors (1).

223220164467397 is an equidigital number, since it uses as much as digits as its factorization.

223220164467397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36578304, while the sum is 58.

The spelling of 223220164467397 in words is "two hundred twenty-three trillion, two hundred twenty billion, one hundred sixty-four million, four hundred sixty-seven thousand, three hundred ninety-seven".