2130222 has 8 divisors (see below), whose sum is σ = 4260456. Its totient is φ = 710072.

The previous prime is 2130209. The next prime is 2130239. The reversal of 2130222 is 2220312.

It is a sphenic number, since it is the product of 3 distinct primes.

2130222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2130198 and 2130207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177513 + ... + 177524.

It is an arithmetic number, because the mean of its divisors is an integer number (532557).

2^2130222 is an apocalyptic number.

2130222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2130222 is a wasteful number, since it uses less digits than its factorization.

2130222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355042.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2130222 is about 1459.5280058978. The cubic root of 2130222 is about 128.6693050130.

Adding to 2130222 its reverse (2220312), we get a palindrome (4350534).

The spelling of 2130222 in words is "two million, one hundred thirty thousand, two hundred twenty-two".