20222603 has 2 divisors, whose sum is σ = 20222604. Its totient is φ = 20222602.

The previous prime is 20222581. The next prime is 20222611. The reversal of 20222603 is 30622202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20222603 - 2¹⁸ = 19960459 is a prime.

It is not a weakly prime, because it can be changed into another prime (20222003) 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, 10111301 + 10111302.

It is an arithmetic number, because the mean of its divisors is an integer number (10111302).

Almost surely, 2^20222603 is an apocalyptic number.

20222603 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222603 is an equidigital number, since it uses as much as digits as its factorization.

20222603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 20222603 is about 4496.9548585682. The cubic root of 20222603 is about 272.4451108478.

Adding to 20222603 its reverse (30622202), we get a palindrome (50844805).

The spelling of 20222603 in words is "twenty million, two hundred twenty-two thousand, six hundred three".