1328673622 has 4 divisors (see below), whose sum is σ = 1993010436. Its totient is φ = 664336810.

The previous prime is 1328673611. The next prime is 1328673631. The reversal of 1328673622 is 2263768231.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 332168404 + ... + 332168407.

It is an arithmetic number, because the mean of its divisors is an integer number (498252609).

Almost surely, 2^1328673622 is an apocalyptic number.

1328673622 is a deficient number, since it is larger than the sum of its proper divisors (664336814).

1328673622 is an equidigital number, since it uses as much as digits as its factorization.

1328673622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664336813.

The product of its digits is 145152, while the sum is 40.

The square root of 1328673622 is about 36450.9755973691. The cubic root of 1328673622 is about 1099.3587507718.

The spelling of 1328673622 in words is "one billion, three hundred twenty-eight million, six hundred seventy-three thousand, six hundred twenty-two".