220857803 has 2 divisors, whose sum is σ = 220857804. Its totient is φ = 220857802.

The previous prime is 220857797. The next prime is 220857817. The reversal of 220857803 is 308758022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220857803 - 2⁴ = 220857787 is a prime.

It is not a weakly prime, because it can be changed into another prime (220857883) 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, 110428901 + 110428902.

It is an arithmetic number, because the mean of its divisors is an integer number (110428902).

Almost surely, 2^220857803 is an apocalyptic number.

220857803 is a deficient number, since it is larger than the sum of its proper divisors (1).

220857803 is an equidigital number, since it uses as much as digits as its factorization.

220857803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 220857803 is about 14861.2853750946. The cubic root of 220857803 is about 604.4646613366.

The spelling of 220857803 in words is "two hundred twenty million, eight hundred fifty-seven thousand, eight hundred three".