22563061 has 2 divisors, whose sum is σ = 22563062. Its totient is φ = 22563060.

The previous prime is 22563043. The next prime is 22563091. The reversal of 22563061 is 16036522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20295025 + 2268036 = 4505^2 + 1506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22563061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22563091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11281530 + 11281531.

It is an arithmetic number, because the mean of its divisors is an integer number (11281531).

Almost surely, 2^22563061 is an apocalyptic number.

It is an amenable number.

22563061 is a deficient number, since it is larger than the sum of its proper divisors (1).

22563061 is an equidigital number, since it uses as much as digits as its factorization.

22563061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 22563061 is about 4750.0590522645. The cubic root of 22563061 is about 282.5743078601.

Adding to 22563061 its reverse (16036522), we get a palindrome (38599583).

The spelling of 22563061 in words is "twenty-two million, five hundred sixty-three thousand, sixty-one".