22104001 has 8 divisors (see below), whose sum is σ = 22473000. Its totient is φ = 21738240.

The previous prime is 22103987. The next prime is 22104041. The reversal of 22104001 is 10040122.

It can be written as a sum of positive squares in 4 ways, for example, as 201601 + 21902400 = 449^2 + 4680^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22104001 - 2¹¹ = 22101953 is a prime.

It is a super-3 number, since 3×22104001³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22104041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15561 + ... + 16921.

It is an arithmetic number, because the mean of its divisors is an integer number (2809125).

Almost surely, 2^22104001 is an apocalyptic number.

It is an amenable number.

22104001 is a deficient number, since it is larger than the sum of its proper divisors (368999).

22104001 is a wasteful number, since it uses less digits than its factorization.

22104001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 22104001 is about 4701.4892321476. The cubic root of 22104001 is about 280.6447768398.

Adding to 22104001 its reverse (10040122), we get a palindrome (32144123).

The spelling of 22104001 in words is "twenty-two million, one hundred four thousand, one".