220841233 has 2 divisors, whose sum is σ = 220841234. Its totient is φ = 220841232.

The previous prime is 220841209. The next prime is 220841273. The reversal of 220841233 is 332148022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128527569 + 92313664 = 11337^2 + 9608^2 .

It is a cyclic number.

It is not a de Polignac number, because 220841233 - 2⁹ = 220840721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220841198 and 220841207.

It is not a weakly prime, because it can be changed into another prime (220841273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110420616 + 110420617.

It is an arithmetic number, because the mean of its divisors is an integer number (110420617).

Almost surely, 2^220841233 is an apocalyptic number.

It is an amenable number.

220841233 is a deficient number, since it is larger than the sum of its proper divisors (1).

220841233 is an equidigital number, since it uses as much as digits as its factorization.

220841233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 220841233 is about 14860.7278758478. The cubic root of 220841233 is about 604.4495441740.

Adding to 220841233 its reverse (332148022), we get a palindrome (552989255).

The spelling of 220841233 in words is "two hundred twenty million, eight hundred forty-one thousand, two hundred thirty-three".