22055503 has 2 divisors, whose sum is σ = 22055504.
Its totient is φ = 22055502.
The previous prime is 22055497. The next prime is 22055521. The reversal of 22055503 is 30555022.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-22055503 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22055003) 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 as a sum of consecutive naturals, namely, 11027751 + 11027752.
It is an arithmetic number, because the mean of its divisors is an integer number (11027752).
Almost surely, 222055503 is an apocalyptic number.
22055503 is a deficient number, since it is larger than the sum of its proper divisors (1).
22055503 is an equidigital number, since it uses as much as digits as its factorization.
22055503 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1500, while the sum is 22.
The square root of 22055503 is about 4696.3286724845.
The cubic root of 22055503 is about 280.4393739525.
The spelling of 22055503 in words is "twenty-two million, fifty-five thousand, five hundred three".