22550303 has 2 divisors, whose sum is σ = 22550304. Its totient is φ = 22550302.

The previous prime is 22550291. The next prime is 22550323. The reversal of 22550303 is 30305522.

It is an a-pointer prime, because the next prime (22550323) can be obtained adding 22550303 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22550303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22550323) 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, 11275151 + 11275152.

It is an arithmetic number, because the mean of its divisors is an integer number (11275152).

Almost surely, 2^22550303 is an apocalyptic number.

22550303 is a deficient number, since it is larger than the sum of its proper divisors (1).

22550303 is an equidigital number, since it uses as much as digits as its factorization.

22550303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 22550303 is about 4748.7159317020. The cubic root of 22550303 is about 282.5210384520.

Adding to 22550303 its reverse (30305522), we get a palindrome (52855825).

The spelling of 22550303 in words is "twenty-two million, five hundred fifty thousand, three hundred three".