223352257 has 2 divisors, whose sum is σ = 223352258. Its totient is φ = 223352256.

The previous prime is 223352243. The next prime is 223352279. The reversal of 223352257 is 752253322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218330176 + 5022081 = 14776^2 + 2241^2 .

It is a cyclic number.

It is not a de Polignac number, because 223352257 - 2¹¹ = 223350209 is a prime.

It is not a weakly prime, because it can be changed into another prime (223352237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111676128 + 111676129.

It is an arithmetic number, because the mean of its divisors is an integer number (111676129).

Almost surely, 2^223352257 is an apocalyptic number.

It is an amenable number.

223352257 is a deficient number, since it is larger than the sum of its proper divisors (1).

223352257 is an equidigital number, since it uses as much as digits as its factorization.

223352257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 31.

The square root of 223352257 is about 14944.9743057658. The cubic root of 223352257 is about 606.7318335919.

The spelling of 223352257 in words is "two hundred twenty-three million, three hundred fifty-two thousand, two hundred fifty-seven".