1220303303 has 2 divisors, whose sum is σ = 1220303304. Its totient is φ = 1220303302.

The previous prime is 1220303281. The next prime is 1220303309. The reversal of 1220303303 is 3033030221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220303303 - 2⁶ = 1220303239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220303309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610151651 + 610151652.

It is an arithmetic number, because the mean of its divisors is an integer number (610151652).

Almost surely, 2^1220303303 is an apocalyptic number.

1220303303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220303303 is an equidigital number, since it uses as much as digits as its factorization.

1220303303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 1220303303 is about 34932.8398931435. The cubic root of 1220303303 is about 1068.6182715203.

Adding to 1220303303 its reverse (3033030221), we get a palindrome (4253333524).

The spelling of 1220303303 in words is "one billion, two hundred twenty million, three hundred three thousand, three hundred three".