1822256 has 10 divisors (see below), whose sum is σ = 3530652. Its totient is φ = 911120.

The previous prime is 1822241. The next prime is 1822259. The reversal of 1822256 is 6522281.

It is not an unprimeable number, because it can be changed into a prime (1822259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56930 + ... + 56961.

2^1822256 is an apocalyptic number.

1822256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1822256 is a deficient number, since it is larger than the sum of its proper divisors (1708396).

1822256 is a wasteful number, since it uses less digits than its factorization.

1822256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113899 (or 113893 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 1822256 is about 1349.9096266047. The cubic root of 1822256 is about 122.1433413274.

The spelling of 1822256 in words is "one million, eight hundred twenty-two thousand, two hundred fifty-six".