2206866672 has 30 divisors (see below), whose sum is σ = 6176161992. Its totient is φ = 735622176.

The previous prime is 2206866671. The next prime is 2206866689. The reversal of 2206866672 is 2766686022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206866671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7662588 + ... + 7662875.

Almost surely, 2^2206866672 is an apocalyptic number.

It is an amenable number.

2206866672 is an abundant number, since it is smaller than the sum of its proper divisors (3969295320).

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

2206866672 is a wasteful number, since it uses less digits than its factorization.

2206866672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15325477 (or 15325468 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 2206866672 is about 46977.2995392455. The cubic root of 2206866672 is about 1301.9431831196.

The spelling of 2206866672 in words is "two billion, two hundred six million, eight hundred sixty-six thousand, six hundred seventy-two".