22044163 has 4 divisors (see below), whose sum is σ = 22258288. Its totient is φ = 21830040.

The previous prime is 22044157. The next prime is 22044203. The reversal of 22044163 is 36144022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36144022 = 2 ⋅18072011.

It is a cyclic number.

It is not a de Polignac number, because 22044163 - 2¹³ = 22035971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22044133) 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, 106908 + ... + 107113.

It is an arithmetic number, because the mean of its divisors is an integer number (5564572).

Almost surely, 2^22044163 is an apocalyptic number.

22044163 is a deficient number, since it is larger than the sum of its proper divisors (214125).

22044163 is a wasteful number, since it uses less digits than its factorization.

22044163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214124.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 22044163 is about 4695.1211911941. The cubic root of 22044163 is about 280.3913023866.

Adding to 22044163 its reverse (36144022), we get a palindrome (58188185).

The spelling of 22044163 in words is "twenty-two million, forty-four thousand, one hundred sixty-three".