2145716322 has 64 divisors (see below), whose sum is σ = 4876416000. Its totient is φ = 625762368.

The previous prime is 2145716311. The next prime is 2145716323. The reversal of 2145716322 is 2236175412.

2145716322 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2145716323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61929 + ... + 90147.

It is an arithmetic number, because the mean of its divisors is an integer number (76194000).

Almost surely, 2^2145716322 is an apocalyptic number.

2145716322 is an abundant number, since it is smaller than the sum of its proper divisors (2730699678).

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

2145716322 is a wasteful number, since it uses less digits than its factorization.

2145716322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28295.

The product of its digits is 20160, while the sum is 33.

The square root of 2145716322 is about 46321.8773583282. The cubic root of 2145716322 is about 1289.8051349186.

The spelling of 2145716322 in words is "two billion, one hundred forty-five million, seven hundred sixteen thousand, three hundred twenty-two".