1220333 has 2 divisors, whose sum is σ = 1220334. Its totient is φ = 1220332.

The previous prime is 1220327. The next prime is 1220347. The reversal of 1220333 is 3330221.

It is an a-pointer prime, because the next prime (1220347) can be obtained adding 1220333 to its sum of digits (14).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1214404 + 5929 = 1102^2 + 77^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220333 - 2⁸ = 1220077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610166 + 610167.

It is an arithmetic number, because the mean of its divisors is an integer number (610167).

2^1220333 is an apocalyptic number.

It is an amenable number.

1220333 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220333 is an equidigital number, since it uses as much as digits as its factorization.

1220333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 1220333 is about 1104.6868334510. The cubic root of 1220333 is about 106.8626939993.

Adding to 1220333 its reverse (3330221), we get a palindrome (4550554).

The spelling of 1220333 in words is "one million, two hundred twenty thousand, three hundred thirty-three".