22785263 has 2 divisors, whose sum is σ = 22785264. Its totient is φ = 22785262.

The previous prime is 22785247. The next prime is 22785307. The reversal of 22785263 is 36258722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22785263 - 2⁴ = 22785247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22785863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11392631 + 11392632.

It is an arithmetic number, because the mean of its divisors is an integer number (11392632).

Almost surely, 2^22785263 is an apocalyptic number.

22785263 is a deficient number, since it is larger than the sum of its proper divisors (1).

22785263 is an equidigital number, since it uses as much as digits as its factorization.

22785263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 22785263 is about 4773.3911425736. The cubic root of 22785263 is about 283.4988807245.

The spelling of 22785263 in words is "twenty-two million, seven hundred eighty-five thousand, two hundred sixty-three".