2164422502000 has 160 divisors (see below), whose sum is σ = 5716899684288. Its totient is φ = 786022400000.

The previous prime is 2164422501973. The next prime is 2164422502007. The reversal of 2164422502000 is 2052244612.

It is a self number, because there is not a number n which added to its sum of digits gives 2164422502000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164422502007) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 16677360 + ... + 16806640.

Almost surely, 2^{2164422502000} is an apocalyptic number.

2164422502000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2164422502000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2858449842144).

2164422502000 is an abundant number, since it is smaller than the sum of its proper divisors (3552477182288).

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

2164422502000 is a wasteful number, since it uses less digits than its factorization.

2164422502000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130076 (or 130060 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 2164422502000 its reverse (2052244612), we get a palindrome (2166474746612).

The spelling of 2164422502000 in words is "two trillion, one hundred sixty-four billion, four hundred twenty-two million, five hundred two thousand".