223333249 has 2 divisors, whose sum is σ = 223333250. Its totient is φ = 223333248.

The previous prime is 223333219. The next prime is 223333283. The reversal of 223333249 is 942333322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223293249 + 40000 = 14943^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 223333249 - 2¹⁹ = 222808961 is a prime.

It is a Chen prime.

It is equal to p_12296155 and since 223333249 and 12296155 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223333249.

It is not a weakly prime, because it can be changed into another prime (223333219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111666624 + 111666625.

It is an arithmetic number, because the mean of its divisors is an integer number (111666625).

Almost surely, 2^223333249 is an apocalyptic number.

It is an amenable number.

223333249 is a deficient number, since it is larger than the sum of its proper divisors (1).

223333249 is an equidigital number, since it uses as much as digits as its factorization.

223333249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 31.

The square root of 223333249 is about 14944.3383593922. The cubic root of 223333249 is about 606.7146214893.

The spelling of 223333249 in words is "two hundred twenty-three million, three hundred thirty-three thousand, two hundred forty-nine".