22806073 has 4 divisors (see below), whose sum is σ = 22863348. Its totient is φ = 22748800.

The previous prime is 22806067. The next prime is 22806079. The reversal of 22806073 is 37060822.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22806067) and next prime (22806079).

It can be written as a sum of positive squares in 2 ways, for example, as 12902464 + 9903609 = 3592^2 + 3147^2 .

It is a cyclic number.

It is not a de Polignac number, because 22806073 - 2⁹ = 22805561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22806079) 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 in 3 ways as a sum of consecutive naturals, for example, 28036 + ... + 28837.

It is an arithmetic number, because the mean of its divisors is an integer number (5715837).

Almost surely, 2^22806073 is an apocalyptic number.

It is an amenable number.

22806073 is a deficient number, since it is larger than the sum of its proper divisors (57275).

22806073 is an equidigital number, since it uses as much as digits as its factorization.

22806073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57274.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 22806073 is about 4775.5704371310. The cubic root of 22806073 is about 283.5851618815.

Adding to 22806073 its reverse (37060822), we get a palindrome (59866895).

The spelling of 22806073 in words is "twenty-two million, eight hundred six thousand, seventy-three".