1328266722 has 16 divisors (see below), whose sum is σ = 2693950272. Its totient is φ = 436519440.

The previous prime is 1328266699. The next prime is 1328266727. The reversal of 1328266722 is 2276628231.

It is not an unprimeable number, because it can be changed into a prime (1328266727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1558573 + ... + 1559424.

It is an arithmetic number, because the mean of its divisors is an integer number (168371892).

Almost surely, 2^1328266722 is an apocalyptic number.

1328266722 is an abundant number, since it is smaller than the sum of its proper divisors (1365683550).

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

1328266722 is a wasteful number, since it uses less digits than its factorization.

1328266722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118073.

The product of its digits is 96768, while the sum is 39.

The square root of 1328266722 is about 36445.3937007134. The cubic root of 1328266722 is about 1099.2465148447.

The spelling of 1328266722 in words is "one billion, three hundred twenty-eight million, two hundred sixty-six thousand, seven hundred twenty-two".