223333001 has 2 divisors, whose sum is σ = 223333002. Its totient is φ = 223333000.

The previous prime is 223332947. The next prime is 223333003. The reversal of 223333001 is 100333322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116748025 + 106584976 = 10805^2 + 10324^2 .

It is a cyclic number.

It is not a de Polignac number, because 223333001 - 2²² = 219138697 is a prime.

Together with 223333003, 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 (223333003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111666500 + 111666501.

It is an arithmetic number, because the mean of its divisors is an integer number (111666501).

Almost surely, 2^223333001 is an apocalyptic number.

It is an amenable number.

223333001 is a deficient number, since it is larger than the sum of its proper divisors (1).

223333001 is an equidigital number, since it uses as much as digits as its factorization.

223333001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 223333001 is about 14944.3300619332. The cubic root of 223333001 is about 606.7143969142.

Adding to 223333001 its reverse (100333322), we get a palindrome (323666323).

The spelling of 223333001 in words is "two hundred twenty-three million, three hundred thirty-three thousand, one".