1822162 has 8 divisors (see below), whose sum is σ = 2894076. Its totient is φ = 857472.

The previous prime is 1822147. The next prime is 1822169. The reversal of 1822162 is 2612281.

It can be written as a sum of positive squares in 2 ways, for example, as 1792921 + 29241 = 1339^2 + 171^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1822169) 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 3 ways as a sum of consecutive naturals, for example, 26763 + ... + 26830.

2^1822162 is an apocalyptic number.

1822162 is a deficient number, since it is larger than the sum of its proper divisors (1071914).

1822162 is a wasteful number, since it uses less digits than its factorization.

1822162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53612.

The product of its digits is 384, while the sum is 22.

The square root of 1822162 is about 1349.8748090101. The cubic root of 1822162 is about 122.1412410605.

The spelling of 1822162 in words is "one million, eight hundred twenty-two thousand, one hundred sixty-two".