223221033331979 has 2 divisors, whose sum is σ = 223221033331980. Its totient is φ = 223221033331978.

The previous prime is 223221033331867. The next prime is 223221033332053. The reversal of 223221033331979 is 979133330122322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223221033331979 is a prime.

It is a super-3 number, since 3×223221033331979³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223221033331379) 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, 111610516665989 + 111610516665990.

It is an arithmetic number, because the mean of its divisors is an integer number (111610516665990).

Almost surely, 2^{223221033331979} is an apocalyptic number.

223221033331979 is a deficient number, since it is larger than the sum of its proper divisors (1).

223221033331979 is an equidigital number, since it uses as much as digits as its factorization.

223221033331979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2204496, while the sum is 50.

The spelling of 223221033331979 in words is "two hundred twenty-three trillion, two hundred twenty-one billion, thirty-three million, three hundred thirty-one thousand, nine hundred seventy-nine".