22765823 has 2 divisors, whose sum is σ = 22765824. Its totient is φ = 22765822.

The previous prime is 22765801. The next prime is 22765829. The reversal of 22765823 is 32856722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22765823 - 2¹⁴ = 22749439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22765829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11382911 + 11382912.

It is an arithmetic number, because the mean of its divisors is an integer number (11382912).

Almost surely, 2^22765823 is an apocalyptic number.

22765823 is a deficient number, since it is larger than the sum of its proper divisors (1).

22765823 is an equidigital number, since it uses as much as digits as its factorization.

22765823 is an evil number, because the sum of its binary digits is even.

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

The square root of 22765823 is about 4771.3544198686. The cubic root of 22765823 is about 283.4182323051.

The spelling of 22765823 in words is "twenty-two million, seven hundred sixty-five thousand, eight hundred twenty-three".