1329922 has 16 divisors (see below), whose sum is σ = 2214144. Its totient is φ = 594000.

The previous prime is 1329907. The next prime is 1329941. The reversal of 1329922 is 2299231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847 + ... + 1837.

It is an arithmetic number, because the mean of its divisors is an integer number (138384).

2^1329922 is an apocalyptic number.

1329922 is a deficient number, since it is larger than the sum of its proper divisors (884222).

1329922 is a wasteful number, since it uses less digits than its factorization.

1329922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065.

The product of its digits is 1944, while the sum is 28.

The square root of 1329922 is about 1153.2224416824. Note that the first 3 decimals coincide. The cubic root of 1329922 is about 109.9702950093.

It can be divided in two parts, 1 and 329922, that added together give a palindrome (329923).

The spelling of 1329922 in words is "one million, three hundred twenty-nine thousand, nine hundred twenty-two".