22845065 has 4 divisors (see below), whose sum is σ = 27414084. Its totient is φ = 18276048.

The previous prime is 22845061. The next prime is 22845071. The reversal of 22845065 is 56054822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56054822 = 2 ⋅28027411.

It can be written as a sum of positive squares in 2 ways, for example, as 13778944 + 9066121 = 3712^2 + 3011^2 .

It is a cyclic number.

It is not a de Polignac number, because 22845065 - 2² = 22845061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22845061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2284502 + ... + 2284511.

It is an arithmetic number, because the mean of its divisors is an integer number (6853521).

Almost surely, 2^22845065 is an apocalyptic number.

It is an amenable number.

22845065 is a deficient number, since it is larger than the sum of its proper divisors (4569019).

22845065 is an equidigital number, since it uses as much as digits as its factorization.

22845065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4569018.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 22845065 is about 4779.6511378970. The cubic root of 22845065 is about 283.7466869402.

Adding to 22845065 its reverse (56054822), we get a palindrome (78899887).

The spelling of 22845065 in words is "twenty-two million, eight hundred forty-five thousand, sixty-five".