2206368784 has 15 divisors (see below), whose sum is σ = 4275203583. Its totient is φ = 1103090448.

The previous prime is 2206368767. The next prime is 2206368803. The reversal of 2206368784 is 4878636022.

The square root of 2206368784 is 46972.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×2206368784² = 9736126422019277312, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 182017 + ... + 193759.

Almost surely, 2^2206368784 is an apocalyptic number.

2206368784 is the 46972-nd square number.

It is an amenable number.

2206368784 is a deficient number, since it is larger than the sum of its proper divisors (2068834799).

2206368784 is an frugal number, since it uses more digits than its factorization.

2206368784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23494 (or 11745 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The cubic root of 2206368784 is about 1301.8452659156.

The spelling of 2206368784 in words is "two billion, two hundred six million, three hundred sixty-eight thousand, seven hundred eighty-four".