22256503 has 2 divisors, whose sum is σ = 22256504. Its totient is φ = 22256502.

The previous prime is 22256501. The next prime is 22256527. The reversal of 22256503 is 30565222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22256503 - 2¹ = 22256501 is a prime.

Together with 22256501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22256501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11128251 + 11128252.

It is an arithmetic number, because the mean of its divisors is an integer number (11128252).

Almost surely, 2^22256503 is an apocalyptic number.

22256503 is a deficient number, since it is larger than the sum of its proper divisors (1).

22256503 is an equidigital number, since it uses as much as digits as its factorization.

22256503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 22256503 is about 4717.6798322904. The cubic root of 22256503 is about 281.2887151314.

The spelling of 22256503 in words is "twenty-two million, two hundred fifty-six thousand, five hundred three".