2102321222 has 8 divisors (see below), whose sum is σ = 3154318176. Its totient is φ = 1050881832.

The previous prime is 2102321191. The next prime is 2102321227. The reversal of 2102321222 is 2221232012.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2102321222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102321227) 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, 129833 + ... + 145124.

It is an arithmetic number, because the mean of its divisors is an integer number (394289772).

Almost surely, 2^2102321222 is an apocalyptic number.

2102321222 is a deficient number, since it is larger than the sum of its proper divisors (1051996954).

2102321222 is a wasteful number, since it uses less digits than its factorization.

2102321222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278782.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2102321222 is about 45851.0765631517. The cubic root of 2102321222 is about 1281.0508180015.

Adding to 2102321222 its reverse (2221232012), we get a palindrome (4323553234).

The spelling of 2102321222 in words is "two billion, one hundred two million, three hundred twenty-one thousand, two hundred twenty-two".