2121144222 has 8 divisors (see below), whose sum is σ = 4242288456. Its totient is φ = 707048072.

The previous prime is 2121144163. The next prime is 2121144227. The reversal of 2121144222 is 2224411212.

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

2121144222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121144227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176762013 + ... + 176762024.

It is an arithmetic number, because the mean of its divisors is an integer number (530286057).

Almost surely, 2^2121144222 is an apocalyptic number.

2121144222 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.

2121144222 is a wasteful number, since it uses less digits than its factorization.

2121144222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353524042.

The product of its digits is 512, while the sum is 21.

The square root of 2121144222 is about 46055.8815136569. The cubic root of 2121144222 is about 1284.8627330953.

Adding to 2121144222 its reverse (2224411212), we get a palindrome (4345555434).

The spelling of 2121144222 in words is "two billion, one hundred twenty-one million, one hundred forty-four thousand, two hundred twenty-two".