2170000221740 has 48 divisors (see below), whose sum is σ = 4913388728640. Its totient is φ = 800275787520.

The previous prime is 2170000221731. The next prime is 2170000221751. The reversal of 2170000221740 is 471220000712.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4755731 + ... + 5192010.

It is an arithmetic number, because the mean of its divisors is an integer number (102362265180).

Almost surely, 2^{2170000221740} is an apocalyptic number.

2170000221740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2170000221740 is an abundant number, since it is smaller than the sum of its proper divisors (2743388506900).

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

2170000221740 is a wasteful number, since it uses less digits than its factorization.

2170000221740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9948602 (or 9948600 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The spelling of 2170000221740 in words is "two trillion, one hundred seventy billion, two hundred twenty-one thousand, seven hundred forty".