1822214 has 16 divisors (see below), whose sum is σ = 2918400. Its totient is φ = 850824.

The previous prime is 1822207. The next prime is 1822217. The reversal of 1822214 is 4122281.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1822217) 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 in 7 ways as a sum of consecutive naturals, for example, 2699 + ... + 3305.

It is an arithmetic number, because the mean of its divisors is an integer number (182400).

2^1822214 is an apocalyptic number.

1822214 is a deficient number, since it is larger than the sum of its proper divisors (1096186).

1822214 is a wasteful number, since it uses less digits than its factorization.

1822214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707.

The product of its digits is 256, while the sum is 20.

The square root of 1822214 is about 1349.8940699181. The cubic root of 1822214 is about 122.1424029192.

Adding to 1822214 its reverse (4122281), we get a palindrome (5944495).

The spelling of 1822214 in words is "one million, eight hundred twenty-two thousand, two hundred fourteen".