22023203 has 2 divisors, whose sum is σ = 22023204. Its totient is φ = 22023202.

The previous prime is 22023193. The next prime is 22023217. The reversal of 22023203 is 30232022.

It is an a-pointer prime, because the next prime (22023217) can be obtained adding 22023203 to its sum of digits (14).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22023203 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22023283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011601 + 11011602.

It is an arithmetic number, because the mean of its divisors is an integer number (11011602).

Almost surely, 2^22023203 is an apocalyptic number.

22023203 is a deficient number, since it is larger than the sum of its proper divisors (1).

22023203 is an equidigital number, since it uses as much as digits as its factorization.

22023203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 22023203 is about 4692.8885561027. Note that the first 3 decimals coincide. The cubic root of 22023203 is about 280.3024071186.

Adding to 22023203 its reverse (30232022), we get a palindrome (52255225).

The spelling of 22023203 in words is "twenty-two million, twenty-three thousand, two hundred three".