22563293 has 2 divisors, whose sum is σ = 22563294. Its totient is φ = 22563292.

The previous prime is 22563287. The next prime is 22563323. The reversal of 22563293 is 39236522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22486564 + 76729 = 4742^2 + 277^2 .

It is a cyclic number.

It is not a de Polignac number, because 22563293 - 2¹² = 22559197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22563263) 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, 11281646 + 11281647.

It is an arithmetic number, because the mean of its divisors is an integer number (11281647).

Almost surely, 2^22563293 is an apocalyptic number.

It is an amenable number.

22563293 is a deficient number, since it is larger than the sum of its proper divisors (1).

22563293 is an equidigital number, since it uses as much as digits as its factorization.

22563293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 32.

The square root of 22563293 is about 4750.0834729508. The cubic root of 22563293 is about 282.5752763607.

The spelling of 22563293 in words is "twenty-two million, five hundred sixty-three thousand, two hundred ninety-three".