22675805 has 4 divisors (see below), whose sum is σ = 27210972. Its totient is φ = 18140640.

The previous prime is 22675801. The next prime is 22675819. The reversal of 22675805 is 50857622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50857622 = 2 ⋅25428811.

It can be written as a sum of positive squares in 2 ways, for example, as 12652249 + 10023556 = 3557^2 + 3166^2 .

It is not a de Polignac number, because 22675805 - 2² = 22675801 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22675801) 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 in 3 ways as a sum of consecutive naturals, for example, 2267576 + ... + 2267585.

It is an arithmetic number, because the mean of its divisors is an integer number (6802743).

Almost surely, 2^22675805 is an apocalyptic number.

It is an amenable number.

22675805 is a deficient number, since it is larger than the sum of its proper divisors (4535167).

22675805 is an equidigital number, since it uses as much as digits as its factorization.

22675805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535166.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 22675805 is about 4761.9119059470. The cubic root of 22675805 is about 283.0441856033.

The spelling of 22675805 in words is "twenty-two million, six hundred seventy-five thousand, eight hundred five".