2190210192 has 100 divisors (see below), whose sum is σ = 6363031356. Its totient is φ = 727315200.

The previous prime is 2190210157. The next prime is 2190210193. The reversal of 2190210192 is 2910120912.

It can be written as a sum of positive squares in 2 ways, for example, as 852406416 + 1337803776 = 29196^2 + 36576^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2190210193) 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 19 ways as a sum of consecutive naturals, for example, 355942 + ... + 362042.

Almost surely, 2^2190210192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2190210192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3181515678).

2190210192 is an abundant number, since it is smaller than the sum of its proper divisors (4172821164).

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

2190210192 is a wasteful number, since it uses less digits than its factorization.

2190210192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6398 (or 6383 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 2190210192 is about 46799.6815373780. The cubic root of 2190210192 is about 1298.6594053951.

The spelling of 2190210192 in words is "two billion, one hundred ninety million, two hundred ten thousand, one hundred ninety-two".