2220403 has 2 divisors, whose sum is σ = 2220404. Its totient is φ = 2220402.

The previous prime is 2220389. The next prime is 2220409. The reversal of 2220403 is 3040222.

2220403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2220403 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110201 + 1110202.

It is an arithmetic number, because the mean of its divisors is an integer number (1110202).

2^2220403 is an apocalyptic number.

2220403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220403 is an equidigital number, since it uses as much as digits as its factorization.

2220403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2220403 is about 1490.1016743833. The cubic root of 2220403 is about 130.4599682461.

Adding to 2220403 its reverse (3040222), we get a palindrome (5260625).

The spelling of 2220403 in words is "two million, two hundred twenty thousand, four hundred three".