22080945 has 16 divisors (see below), whose sum is σ = 37189440. Its totient is φ = 11156544.

The previous prime is 22080941. The next prime is 22080979. The reversal of 22080945 is 54908022.

It is not a de Polignac number, because 22080945 - 2² = 22080941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22080941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38454 + ... + 39023.

It is an arithmetic number, because the mean of its divisors is an integer number (2324340).

Almost surely, 2^22080945 is an apocalyptic number.

It is an amenable number.

22080945 is a deficient number, since it is larger than the sum of its proper divisors (15108495).

22080945 is a wasteful number, since it uses less digits than its factorization.

22080945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77504.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 22080945 is about 4699.0366033901. The cubic root of 22080945 is about 280.5471655970.

Adding to 22080945 its reverse (54908022), we get a palindrome (76988967).

The spelling of 22080945 in words is "twenty-two million, eighty thousand, nine hundred forty-five".