22939841 has 4 divisors (see below), whose sum is σ = 23730900. Its totient is φ = 22148784.

The previous prime is 22939801. The next prime is 22939853. The reversal of 22939841 is 14893922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14893922 = 2 ⋅7446961.

It can be written as a sum of positive squares in 2 ways, for example, as 16200625 + 6739216 = 4025^2 + 2596^2 .

It is a cyclic number.

It is not a de Polignac number, because 22939841 - 2²² = 18745537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22939795 and 22939804.

It is not an unprimeable number, because it can be changed into a prime (22939801) 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, 395486 + ... + 395543.

It is an arithmetic number, because the mean of its divisors is an integer number (5932725).

Almost surely, 2^22939841 is an apocalyptic number.

It is an amenable number.

22939841 is a deficient number, since it is larger than the sum of its proper divisors (791059).

22939841 is an equidigital number, since it uses as much as digits as its factorization.

22939841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791058.

The product of its digits is 31104, while the sum is 38.

The square root of 22939841 is about 4789.5554073421. Note that the first 3 decimals coincide. The cubic root of 22939841 is about 284.1385333853.

The spelling of 22939841 in words is "twenty-two million, nine hundred thirty-nine thousand, eight hundred forty-one".