1822285 has 8 divisors (see below), whose sum is σ = 2196216. Its totient is φ = 1451520.

The previous prime is 1822277. The next prime is 1822307. The reversal of 1822285 is 5822281.

1822285 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in 4 ways, for example, as 894916 + 927369 = 946^2 + 963^2 .

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

It is not a de Polignac number, because 1822285 - 2³ = 1822277 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 757 + ... + 2053.

It is an arithmetic number, because the mean of its divisors is an integer number (274527).

2^1822285 is an apocalyptic number.

It is an amenable number.

1822285 is a deficient number, since it is larger than the sum of its proper divisors (373931).

1822285 is a wasteful number, since it uses less digits than its factorization.

1822285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583.

The product of its digits is 2560, while the sum is 28.

The square root of 1822285 is about 1349.9203680218. The cubic root of 1822285 is about 122.1439892674.

The spelling of 1822285 in words is "one million, eight hundred twenty-two thousand, two hundred eighty-five".