1022666664 has 64 divisors (see below), whose sum is σ = 2683497600. Its totient is φ = 324152576.

The previous prime is 1022666653. The next prime is 1022666737. The reversal of 1022666664 is 4666662201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90142 + ... + 100850.

It is an arithmetic number, because the mean of its divisors is an integer number (41929650).

Almost surely, 2^1022666664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022666664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1341748800).

1022666664 is an abundant number, since it is smaller than the sum of its proper divisors (1660830936).

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

1022666664 is a wasteful number, since it uses less digits than its factorization.

1022666664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10914 (or 10910 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 1022666664 is about 31979.1598388701. The cubic root of 1022666664 is about 1007.4991764407.

The spelling of 1022666664 in words is "one billion, twenty-two million, six hundred sixty-six thousand, six hundred sixty-four".