1822065 has 48 divisors (see below), whose sum is σ = 3534912. Its totient is φ = 798336.

The previous prime is 1822063. The next prime is 1822091. The reversal of 1822065 is 5602281.

It is not a de Polignac number, because 1822065 - 2¹ = 1822063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1822063) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 27162 + ... + 27228.

It is an arithmetic number, because the mean of its divisors is an integer number (73644).

2^1822065 is an apocalyptic number.

1822065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1822065 is a deficient number, since it is larger than the sum of its proper divisors (1712847).

1822065 is a wasteful number, since it uses less digits than its factorization.

1822065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1822065 is about 1349.8388792741. The cubic root of 1822065 is about 122.1390736882.

The spelling of 1822065 in words is "one million, eight hundred twenty-two thousand, sixty-five".