22366873 has 2 divisors, whose sum is σ = 22366874. Its totient is φ = 22366872.

The previous prime is 22366871. The next prime is 22366889. The reversal of 22366873 is 37866322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11888704 + 10478169 = 3448^2 + 3237^2 .

It is a cyclic number.

It is not a de Polignac number, because 22366873 - 2¹ = 22366871 is a prime.

Together with 22366871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22366871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11183436 + 11183437.

It is an arithmetic number, because the mean of its divisors is an integer number (11183437).

Almost surely, 2^22366873 is an apocalyptic number.

It is an amenable number.

22366873 is a deficient number, since it is larger than the sum of its proper divisors (1).

22366873 is an equidigital number, since it uses as much as digits as its factorization.

22366873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 37.

The square root of 22366873 is about 4729.3628534931. The cubic root of 22366873 is about 281.7529188990.

The spelling of 22366873 in words is "twenty-two million, three hundred sixty-six thousand, eight hundred seventy-three".