220007233 has 2 divisors, whose sum is σ = 220007234. Its totient is φ = 220007232.

The previous prime is 220007231. The next prime is 220007237. The reversal of 220007233 is 332700022.

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., 194686209 + 25321024 = 13953^2 + 5032^2 .

It is a cyclic number.

It is not a de Polignac number, because 220007233 - 2¹ = 220007231 is a prime.

Together with 220007231, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 220007233.

It is not a weakly prime, because it can be changed into another prime (220007231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110003616 + 110003617.

It is an arithmetic number, because the mean of its divisors is an integer number (110003617).

Almost surely, 2^220007233 is an apocalyptic number.

It is an amenable number.

220007233 is a deficient number, since it is larger than the sum of its proper divisors (1).

220007233 is an equidigital number, since it uses as much as digits as its factorization.

220007233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 220007233 is about 14832.6407965675. The cubic root of 220007233 is about 603.6876894030.

Adding to 220007233 its reverse (332700022), we get a palindrome (552707255).

The spelling of 220007233 in words is "two hundred twenty million, seven thousand, two hundred thirty-three".