221223332999 has 2 divisors, whose sum is σ = 221223333000. Its totient is φ = 221223332998.

The previous prime is 221223332983. The next prime is 221223333013. The reversal of 221223332999 is 999233322122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221223332999 - 2⁴ = 221223332983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221223332959) 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, 110611666499 + 110611666500.

It is an arithmetic number, because the mean of its divisors is an integer number (110611666500).

Almost surely, 2^221223332999 is an apocalyptic number.

221223332999 is a deficient number, since it is larger than the sum of its proper divisors (1).

221223332999 is an equidigital number, since it uses as much as digits as its factorization.

221223332999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 629856, while the sum is 47.

The spelling of 221223332999 in words is "two hundred twenty-one billion, two hundred twenty-three million, three hundred thirty-two thousand, nine hundred ninety-nine".