1329661022 has 8 divisors (see below), whose sum is σ = 1994943816. Its totient is φ = 664679752.

The previous prime is 1329661013. The next prime is 1329661043. The reversal of 1329661022 is 2201669231.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1329661022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64013 + ... + 82200.

It is an arithmetic number, because the mean of its divisors is an integer number (249367977).

Almost surely, 2^1329661022 is an apocalyptic number.

1329661022 is a deficient number, since it is larger than the sum of its proper divisors (665282794).

1329661022 is a wasteful number, since it uses less digits than its factorization.

1329661022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150762.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 1329661022 is about 36464.5173010695. The cubic root of 1329661022 is about 1099.6310117762.

The spelling of 1329661022 in words is "one billion, three hundred twenty-nine million, six hundred sixty-one thousand, twenty-two".