2206064646 has 40 divisors (see below), whose sum is σ = 5017023000. Its totient is φ = 724375872.

The previous prime is 2206064621. The next prime is 2206064659. The reversal of 2206064646 is 6464606022.

2206064646 is a `hidden beast` number, since 2 + 2 + 0 + 6 + 0 + 6 + 4 + 646 = 666.

It is a super-2 number, since 2×2206064646² = 9733442444662210632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2206064646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 90771 + ... + 112478.

It is an arithmetic number, because the mean of its divisors is an integer number (125425575).

Almost surely, 2^2206064646 is an apocalyptic number.

2206064646 is an abundant number, since it is smaller than the sum of its proper divisors (2810958354).

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

2206064646 is a wasteful number, since it uses less digits than its factorization.

2206064646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203330 (or 203321 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 2206064646 is about 46968.7624491001. The cubic root of 2206064646 is about 1301.7854453313.

The spelling of 2206064646 in words is "two billion, two hundred six million, sixty-four thousand, six hundred forty-six".