22080001 has 4 divisors (see below), whose sum is σ = 22149972. Its totient is φ = 22010032.

The previous prime is 22079929. The next prime is 22080053. The reversal of 22080001 is 10008022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11833600 + 10246401 = 3440^2 + 3201^2 .

It is a cyclic number.

It is not a de Polignac number, because 22080001 - 2⁹ = 22079489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22080061) 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, 34510 + ... + 35143.

It is an arithmetic number, because the mean of its divisors is an integer number (5537493).

Almost surely, 2^22080001 is an apocalyptic number.

It is an amenable number.

22080001 is a deficient number, since it is larger than the sum of its proper divisors (69971).

22080001 is an equidigital number, since it uses as much as digits as its factorization.

22080001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69970.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 22080001 is about 4698.9361561954. The cubic root of 22080001 is about 280.5431675752.

Adding to 22080001 its reverse (10008022), we get a palindrome (32088023).

The spelling of 22080001 in words is "twenty-two million, eighty thousand, one".