1822130 has 16 divisors (see below), whose sum is σ = 3297240. Its totient is φ = 724992.

The previous prime is 1822123. The next prime is 1822147. The reversal of 1822130 is 312281.

It can be written as a sum of positive squares in 4 ways, for example, as 1620529 + 201601 = 1273^2 + 449^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1822099 and 1822108.

It is an unprimeable number.

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, 2216 + ... + 2924.

2^1822130 is an apocalyptic number.

1822130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1822130 is a deficient number, since it is larger than the sum of its proper divisors (1475110).

1822130 is a wasteful number, since it uses less digits than its factorization.

1822130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1822130 is about 1349.8629560070. The cubic root of 1822130 is about 122.1405260596.

The spelling of 1822130 in words is "one million, eight hundred twenty-two thousand, one hundred thirty".