22080561 has 8 divisors (see below), whose sum is σ = 29510784. Its totient is φ = 14685360.

The previous prime is 22080557. The next prime is 22080563. The reversal of 22080561 is 16508022.

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

It is not a de Polignac number, because 22080561 - 2² = 22080557 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22080563) 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, 7246 + ... + 9831.

It is an arithmetic number, because the mean of its divisors is an integer number (3688848).

Almost surely, 2^22080561 is an apocalyptic number.

It is an amenable number.

22080561 is a deficient number, since it is larger than the sum of its proper divisors (7430223).

22080561 is a wasteful number, since it uses less digits than its factorization.

22080561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17511.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 22080561 is about 4698.9957437733. The cubic root of 22080561 is about 280.5455392968.

Adding to 22080561 its reverse (16508022), we get a palindrome (38588583).

The spelling of 22080561 in words is "twenty-two million, eighty thousand, five hundred sixty-one".