2174323820 has 48 divisors (see below), whose sum is σ = 4647272448. Its totient is φ = 854400960.

The previous prime is 2174323799. The next prime is 2174323829. The reversal of 2174323820 is 283234712.

It is not an unprimeable number, because it can be changed into a prime (2174323829) 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 15 ways as a sum of consecutive naturals, for example, 257465 + ... + 265775.

It is an arithmetic number, because the mean of its divisors is an integer number (96818176).

Almost surely, 2^2174323820 is an apocalyptic number.

2174323820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2174323820 is an abundant number, since it is smaller than the sum of its proper divisors (2472948628).

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

2174323820 is a wasteful number, since it uses less digits than its factorization.

2174323820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8550 (or 8548 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 2174323820 is about 46629.6452913809. The cubic root of 2174323820 is about 1295.5119038811.

The spelling of 2174323820 in words is "two billion, one hundred seventy-four million, three hundred twenty-three thousand, eight hundred twenty".