22422503 has 2 divisors, whose sum is σ = 22422504. Its totient is φ = 22422502.

The previous prime is 22422487. The next prime is 22422511. The reversal of 22422503 is 30522422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22422503 - 2⁴ = 22422487 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22422523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11211251 + 11211252.

It is an arithmetic number, because the mean of its divisors is an integer number (11211252).

Almost surely, 2^22422503 is an apocalyptic number.

22422503 is a deficient number, since it is larger than the sum of its proper divisors (1).

22422503 is an equidigital number, since it uses as much as digits as its factorization.

22422503 is an evil number, because the sum of its binary digits is even.

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

The square root of 22422503 is about 4735.2405429925. The cubic root of 22422503 is about 281.9863137398.

Adding to 22422503 its reverse (30522422), we get a palindrome (52944925).

The spelling of 22422503 in words is "twenty-two million, four hundred twenty-two thousand, five hundred three".