22080577 has 4 divisors (see below), whose sum is σ = 22146436. Its totient is φ = 22014720.

The previous prime is 22080563. The next prime is 22080589. The reversal of 22080577 is 77508022.

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 9235521 + 12845056 = 3039^2 + 3584^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22080577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22080547) 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, 32424 + ... + 33097.

It is an arithmetic number, because the mean of its divisors is an integer number (5536609).

Almost surely, 2^22080577 is an apocalyptic number.

It is an amenable number.

22080577 is a deficient number, since it is larger than the sum of its proper divisors (65859).

22080577 is an equidigital number, since it uses as much as digits as its factorization.

22080577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65858.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 22080577 is about 4698.9974462645. The cubic root of 22080577 is about 280.5456070597.

Adding to 22080577 its reverse (77508022), we get a palindrome (99588599).

The spelling of 22080577 in words is "twenty-two million, eighty thousand, five hundred seventy-seven".