1822080105 has 12 divisors (see below), whose sum is σ = 3158272260. Its totient is φ = 971776032.

The previous prime is 1822080103. The next prime is 1822080109. The reversal of 1822080105 is 5010802281.

It can be written as a sum of positive squares in 2 ways, for example, as 1428613209 + 393466896 = 37797^2 + 19836^2 .

It is not a de Polignac number, because 1822080105 - 2¹ = 1822080103 is a prime.

It is a super-2 number, since 2×1822080105² = 6639951818073622050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1822080103) 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 11 ways as a sum of consecutive naturals, for example, 20245290 + ... + 20245379.

It is an arithmetic number, because the mean of its divisors is an integer number (263189355).

Almost surely, 2^1822080105 is an apocalyptic number.

1822080105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1822080105 is a deficient number, since it is larger than the sum of its proper divisors (1336192155).

1822080105 is a wasteful number, since it uses less digits than its factorization.

1822080105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40490680 (or 40490677 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 1822080105 is about 42685.8302601695. The cubic root of 1822080105 is about 1221.3941120003.

Adding to 1822080105 its reverse (5010802281), we get a palindrome (6832882386).

The spelling of 1822080105 in words is "one billion, eight hundred twenty-two million, eighty thousand, one hundred five".