1328622 has 16 divisors (see below), whose sum is σ = 2691840. Its totient is φ = 437112.

The previous prime is 1328617. The next prime is 1328647. The reversal of 1328622 is 2268231.

It is a d-powerful number, because it can be written as 1 + 3⁴ + 2² + 8 + 6⁷ + 2⁴ + 2²⁰ .

It is a plaindrome in base 9 and base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1328592 and 1328601.

It is a congruent number.

It is an unprimeable number.

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, 928 + ... + 1875.

It is an arithmetic number, because the mean of its divisors is an integer number (168240).

2^1328622 is an apocalyptic number.

1328622 is an abundant number, since it is smaller than the sum of its proper divisors (1363218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1328622 is a wasteful number, since it uses less digits than its factorization.

1328622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887.

The product of its digits is 1152, while the sum is 24.

The square root of 1328622 is about 1152.6586658677. The cubic root of 1328622 is about 109.9344513056.

It can be divided in two parts, 13286 and 22, that multiplied together give a palindrome (292292).

The spelling of 1328622 in words is "one million, three hundred twenty-eight thousand, six hundred twenty-two".