22000003 has 2 divisors, whose sum is σ = 22000004. Its totient is φ = 22000002.

The previous prime is 22000001. The next prime is 22000021. The reversal of 22000003 is 30000022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22000003 - 2¹ = 22000001 is a prime.

Together with 22000001, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22000003.

It is not a weakly prime, because it can be changed into another prime (22000001) 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, 11000001 + 11000002.

It is an arithmetic number, because the mean of its divisors is an integer number (11000002).

Almost surely, 2^22000003 is an apocalyptic number.

22000003 is a deficient number, since it is larger than the sum of its proper divisors (1).

22000003 is an equidigital number, since it uses as much as digits as its factorization.

22000003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 7.

The square root of 22000003 is about 4690.4160796245. The cubic root of 22000003 is about 280.2039458021.

Adding to 22000003 its reverse (30000022), we get a palindrome (52000025).

The spelling of 22000003 in words is "twenty-two million, three", and thus it is an aban number and an uban number.