22104641 has 16 divisors (see below), whose sum is σ = 26082000. Its totient is φ = 18536448.

The previous prime is 22104637. The next prime is 22104671. The reversal of 22104641 is 14640122.

It can be written as a sum of positive squares in 8 ways, for example, as 3225616 + 18879025 = 1796^2 + 4345^2 .

It is a cyclic number.

It is not a de Polignac number, because 22104641 - 2² = 22104637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22104611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4685 + ... + 8133.

It is an arithmetic number, because the mean of its divisors is an integer number (1630125).

Almost surely, 2^22104641 is an apocalyptic number.

It is an amenable number.

22104641 is a deficient number, since it is larger than the sum of its proper divisors (3977359).

22104641 is a wasteful number, since it uses less digits than its factorization.

22104641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 22104641 is about 4701.5572951949. The cubic root of 22104641 is about 280.6474854131.

Adding to 22104641 its reverse (14640122), we get a palindrome (36744763).

The spelling of 22104641 in words is "twenty-two million, one hundred four thousand, six hundred forty-one".