22242503 has 2 divisors, whose sum is σ = 22242504. Its totient is φ = 22242502.

The previous prime is 22242461. The next prime is 22242533. The reversal of 22242503 is 30524222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22242503 - 2²⁰ = 21193927 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22242533) 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, 11121251 + 11121252.

It is an arithmetic number, because the mean of its divisors is an integer number (11121252).

Almost surely, 2^22242503 is an apocalyptic number.

22242503 is a deficient number, since it is larger than the sum of its proper divisors (1).

22242503 is an equidigital number, since it uses as much as digits as its factorization.

22242503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 22242503 is about 4716.1958186657. The cubic root of 22242503 is about 281.2297231143.

Adding to 22242503 its reverse (30524222), we get a palindrome (52766725).

The spelling of 22242503 in words is "twenty-two million, two hundred forty-two thousand, five hundred three".