22030003 has 4 divisors (see below), whose sum is σ = 22078048. Its totient is φ = 21981960.

The previous prime is 22029991. The next prime is 22030007. The reversal of 22030003 is 30003022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22030003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22030007) 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 in 3 ways as a sum of consecutive naturals, for example, 23328 + ... + 24253.

It is an arithmetic number, because the mean of its divisors is an integer number (5519512).

Almost surely, 2^22030003 is an apocalyptic number.

22030003 is a deficient number, since it is larger than the sum of its proper divisors (48045).

22030003 is an equidigital number, since it uses as much as digits as its factorization.

22030003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48044.

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 22030003 is about 4693.6130006638. The cubic root of 22030003 is about 280.3312533651.

Adding to 22030003 its reverse (30003022), we get a palindrome (52033025).

The spelling of 22030003 in words is "twenty-two million, thirty thousand, three".