2143226672 has 20 divisors (see below), whose sum is σ = 4295692320. Its totient is φ = 1034660928.

The previous prime is 2143226671. The next prime is 2143226681. The reversal of 2143226672 is 2766223412.

It is not an unprimeable number, because it can be changed into a prime (2143226671) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2309048 + ... + 2309975.

It is an arithmetic number, because the mean of its divisors is an integer number (214784616).

Almost surely, 2^2143226672 is an apocalyptic number.

It is an amenable number.

2143226672 is an abundant number, since it is smaller than the sum of its proper divisors (2152465648).

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

2143226672 is a wasteful number, since it uses less digits than its factorization.

2143226672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619060 (or 4619054 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 2143226672 is about 46294.9961874931. The cubic root of 2143226672 is about 1289.3060931641.

The spelling of 2143226672 in words is "two billion, one hundred forty-three million, two hundred twenty-six thousand, six hundred seventy-two".