2206668280 has 32 divisors (see below), whose sum is σ = 4976562240. Its totient is φ = 880612480.

The previous prime is 2206668259. The next prime is 2206668349. The reversal of 2206668280 is 828666022.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46759 + ... + 81238.

It is an arithmetic number, because the mean of its divisors is an integer number (155517570).

Almost surely, 2^2206668280 is an apocalyptic number.

2206668280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2206668280 is an abundant number, since it is smaller than the sum of its proper divisors (2769893960).

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

2206668280 is a wasteful number, since it uses less digits than its factorization.

2206668280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128439 (or 128435 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 2206668280 is about 46975.1879187300. The cubic root of 2206668280 is about 1301.9041680980.

The spelling of 2206668280 in words is "two billion, two hundred six million, six hundred sixty-eight thousand, two hundred eighty".