1066798722 has 64 divisors (see below), whose sum is σ = 2544058368. Its totient is φ = 294432000.

The previous prime is 1066798709. The next prime is 1066798741. The reversal of 1066798722 is 2278976601.

1066798722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1066798722² = 2276119026521666568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19447 + ... + 50117.

It is an arithmetic number, because the mean of its divisors is an integer number (39750912).

Almost surely, 2^1066798722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1066798722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1272029184).

1066798722 is an abundant number, since it is smaller than the sum of its proper divisors (1477259646).

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

1066798722 is a wasteful number, since it uses less digits than its factorization.

1066798722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30735.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 1066798722 is about 32661.8848506941. The cubic root of 1066798722 is about 1021.7880728046.

It can be divided in two parts, 106 and 6798722, that added together give a triangular number (6798828 = T₃₆₈₇).

The spelling of 1066798722 in words is "one billion, sixty-six million, seven hundred ninety-eight thousand, seven hundred twenty-two".