22080813 has 8 divisors (see below), whose sum is σ = 29476800. Its totient is φ = 14702688.

The previous prime is 22080781. The next prime is 22080827. The reversal of 22080813 is 31808022.

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

It is not a de Polignac number, because 22080813 - 2⁵ = 22080781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22080833) 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 7 ways as a sum of consecutive naturals, for example, 1248 + ... + 6761.

It is an arithmetic number, because the mean of its divisors is an integer number (3684600).

Almost surely, 2^22080813 is an apocalyptic number.

It is an amenable number.

22080813 is a deficient number, since it is larger than the sum of its proper divisors (7395987).

22080813 is an equidigital number, since it uses as much as digits as its factorization.

22080813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8931.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 22080813 is about 4699.0225579369. The cubic root of 22080813 is about 280.5466065585.

Adding to 22080813 its reverse (31808022), we get a palindrome (53888835).

The spelling of 22080813 in words is "twenty-two million, eighty thousand, eight hundred thirteen".