22945441 has 4 divisors (see below), whose sum is σ = 23148612. Its totient is φ = 22742272.

The previous prime is 22945399. The next prime is 22945451. The reversal of 22945441 is 14454922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14454922 = 2 ⋅7227461.

It can be written as a sum of positive squares in 2 ways, for example, as 2433600 + 20511841 = 1560^2 + 4529^2 .

It is a cyclic number.

It is not a de Polignac number, because 22945441 - 2¹⁷ = 22814369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22945451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101416 + ... + 101641.

It is an arithmetic number, because the mean of its divisors is an integer number (5787153).

Almost surely, 2^22945441 is an apocalyptic number.

It is an amenable number.

22945441 is a deficient number, since it is larger than the sum of its proper divisors (203171).

22945441 is a wasteful number, since it uses less digits than its factorization.

22945441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203170.

The product of its digits is 11520, while the sum is 31.

The square root of 22945441 is about 4790.1399770779. The cubic root of 22945441 is about 284.1616524983.

It can be divided in two parts, 22 and 945441, that multiplied together give a palindrome (20799702).

The spelling of 22945441 in words is "twenty-two million, nine hundred forty-five thousand, four hundred forty-one".