1622326 has 4 divisors (see below), whose sum is σ = 2433492. Its totient is φ = 811162.

The previous prime is 1622311. The next prime is 1622333. The reversal of 1622326 is 6232261.

It is a happy number.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1622297 and 1622306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405580 + ... + 405583.

It is an arithmetic number, because the mean of its divisors is an integer number (608373).

2^1622326 is an apocalyptic number.

1622326 is a deficient number, since it is larger than the sum of its proper divisors (811166).

1622326 is an equidigital number, since it uses as much as digits as its factorization.

1622326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811165.

The product of its digits is 864, while the sum is 22.

The square root of 1622326 is about 1273.7056174800. The cubic root of 1622326 is about 117.5022121207.

Adding to 1622326 its reverse (6232261), we get a palindrome (7854587).

The spelling of 1622326 in words is "one million, six hundred twenty-two thousand, three hundred twenty-six".