1822080561 has 8 divisors (see below), whose sum is σ = 2776503744. Its totient is φ = 1041188880.

The previous prime is 1822080541. The next prime is 1822080571. The reversal of 1822080561 is 1650802281.

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

It is not a de Polignac number, because 1822080561 - 2⁷ = 1822080433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1822080541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43382850 + ... + 43382891.

It is an arithmetic number, because the mean of its divisors is an integer number (347062968).

Almost surely, 2^1822080561 is an apocalyptic number.

It is an amenable number.

1822080561 is a deficient number, since it is larger than the sum of its proper divisors (954423183).

1822080561 is an equidigital number, since it uses as much as digits as its factorization.

1822080561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86765751.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 1822080561 is about 42685.8356015201. The cubic root of 1822080561 is about 1221.3942138904.

The spelling of 1822080561 in words is "one billion, eight hundred twenty-two million, eighty thousand, five hundred sixty-one".