1822466 has 4 divisors (see below), whose sum is σ = 2733702. Its totient is φ = 911232.

The previous prime is 1822463. The next prime is 1822477. The reversal of 1822466 is 6642281.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1615441 + 207025 = 1271^2 + 455^2 .

It is not an unprimeable number, because it can be changed into a prime (1822463) 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, 455615 + ... + 455618.

2^1822466 is an apocalyptic number.

1822466 is a deficient number, since it is larger than the sum of its proper divisors (911236).

1822466 is an equidigital number, since it uses as much as digits as its factorization.

1822466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911235.

The product of its digits is 4608, while the sum is 29.

The square root of 1822466 is about 1349.9874073487. The cubic root of 1822466 is about 122.1480331519.

The spelling of 1822466 in words is "one million, eight hundred twenty-two thousand, four hundred sixty-six".