220855403 has 2 divisors, whose sum is σ = 220855404. Its totient is φ = 220855402.

The previous prime is 220855367. The next prime is 220855417. The reversal of 220855403 is 304558022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220855403 - 2⁶ = 220855339 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (220855423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110427701 + 110427702.

It is an arithmetic number, because the mean of its divisors is an integer number (110427702).

Almost surely, 2^220855403 is an apocalyptic number.

220855403 is a deficient number, since it is larger than the sum of its proper divisors (1).

220855403 is an equidigital number, since it uses as much as digits as its factorization.

220855403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 220855403 is about 14861.2046281585. The cubic root of 220855403 is about 604.4624718125.

The spelling of 220855403 in words is "two hundred twenty million, eight hundred fifty-five thousand, four hundred three".