22080291 has 4 divisors (see below), whose sum is σ = 29440392. Its totient is φ = 14720192.

The previous prime is 22080287. The next prime is 22080293. The reversal of 22080291 is 19208022.

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

It is a cyclic number.

It is not a de Polignac number, because 22080291 - 2² = 22080287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22080293) 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, 3680046 + ... + 3680051.

It is an arithmetic number, because the mean of its divisors is an integer number (7360098).

Almost surely, 2^22080291 is an apocalyptic number.

22080291 is a deficient number, since it is larger than the sum of its proper divisors (7360101).

22080291 is an equidigital number, since it uses as much as digits as its factorization.

22080291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7360100.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 22080291 is about 4698.9670141426. The cubic root of 22080291 is about 280.5443957932.

The spelling of 22080291 in words is "twenty-two million, eighty thousand, two hundred ninety-one".