22094945 has 4 divisors (see below), whose sum is σ = 26513940. Its totient is φ = 17675952.

The previous prime is 22094923. The next prime is 22094999. The reversal of 22094945 is 54949022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9928801 + 12166144 = 3151^2 + 3488^2 .

It is a cyclic number.

It is not a de Polignac number, because 22094945 - 2¹⁸ = 21832801 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2209490 + ... + 2209499.

It is an arithmetic number, because the mean of its divisors is an integer number (6628485).

Almost surely, 2^22094945 is an apocalyptic number.

It is an amenable number.

22094945 is a deficient number, since it is larger than the sum of its proper divisors (4418995).

22094945 is an equidigital number, since it uses as much as digits as its factorization.

22094945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4418994.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 22094945 is about 4700.5260343923. The cubic root of 22094945 is about 280.6064449217.

The spelling of 22094945 in words is "twenty-two million, ninety-four thousand, nine hundred forty-five".