2170322056 has 32 divisors (see below), whose sum is σ = 4674810240. Its totient is φ = 925314048.

The previous prime is 2170322053. The next prime is 2170322083. The reversal of 2170322056 is 6502230712.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (2170322053) 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 7 ways as a sum of consecutive naturals, for example, 89596 + ... + 111211.

It is an arithmetic number, because the mean of its divisors is an integer number (146087820).

Almost surely, 2^2170322056 is an apocalyptic number.

It is an amenable number.

2170322056 is an abundant number, since it is smaller than the sum of its proper divisors (2504488184).

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

2170322056 is a wasteful number, since it uses less digits than its factorization.

2170322056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201013 (or 201009 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2170322056 is about 46586.7154455001. The cubic root of 2170322056 is about 1294.7166349287.

Adding to 2170322056 its reverse (6502230712), we get a palindrome (8672552768).

The spelling of 2170322056 in words is "two billion, one hundred seventy million, three hundred twenty-two thousand, fifty-six".