22566023 has 2 divisors, whose sum is σ = 22566024. Its totient is φ = 22566022.

The previous prime is 22566017. The next prime is 22566029. The reversal of 22566023 is 32066522.

It is a balanced prime because it is at equal distance from previous prime (22566017) and next prime (22566029).

It is a cyclic number.

It is not a de Polignac number, because 22566023 - 2⁴ = 22566007 is a prime.

It is equal to p_1422575 and since 22566023 and 1422575 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 22565983 and 22566001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22566029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11283011 + 11283012.

It is an arithmetic number, because the mean of its divisors is an integer number (11283012).

Almost surely, 2^22566023 is an apocalyptic number.

22566023 is a deficient number, since it is larger than the sum of its proper divisors (1).

22566023 is an equidigital number, since it uses as much as digits as its factorization.

22566023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 22566023 is about 4750.3708276302. The cubic root of 22566023 is about 282.5866724425.

The spelling of 22566023 in words is "twenty-two million, five hundred sixty-six thousand, twenty-three".