2146224666 has 16 divisors (see below), whose sum is σ = 4293209088. Its totient is φ = 715281600.

The previous prime is 2146224617. The next prime is 2146224713. The reversal of 2146224666 is 6664226412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9106 + ... + 66146.

It is an arithmetic number, because the mean of its divisors is an integer number (268325568).

Almost surely, 2^2146224666 is an apocalyptic number.

2146224666 is an abundant number, since it is smaller than the sum of its proper divisors (2146984422).

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

2146224666 is a wasteful number, since it uses less digits than its factorization.

2146224666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63317.

The product of its digits is 165888, while the sum is 39.

The square root of 2146224666 is about 46327.3641166859. The cubic root of 2146224666 is about 1289.9069832576.

The spelling of 2146224666 in words is "two billion, one hundred forty-six million, two hundred twenty-four thousand, six hundred sixty-six".