1320622 has 8 divisors (see below), whose sum is σ = 1988136. Its totient is φ = 657912.

The previous prime is 1320617. The next prime is 1320623. The reversal of 1320622 is 2260231.

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

It is a junction number, because it is equal to n+sod(n) for n = 1320596 and 1320605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408 + ... + 1675.

It is an arithmetic number, because the mean of its divisors is an integer number (248517).

2^1320622 is an apocalyptic number.

1320622 is a deficient number, since it is larger than the sum of its proper divisors (667514).

1320622 is a wasteful number, since it uses less digits than its factorization.

1320622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1320622 is about 1149.1831881819. The cubic root of 1320622 is about 109.7133583919.

Adding to 1320622 its reverse (2260231), we get a palindrome (3580853).

The spelling of 1320622 in words is "one million, three hundred twenty thousand, six hundred twenty-two".