2210121222 has 32 divisors (see below), whose sum is σ = 4597209600. Its totient is φ = 707717088.

The previous prime is 2210121217. The next prime is 2210121239. The reversal of 2210121222 is 2221210122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45472 + ... + 80547.

It is an arithmetic number, because the mean of its divisors is an integer number (143662800).

Almost surely, 2^2210121222 is an apocalyptic number.

2210121222 is an abundant number, since it is smaller than the sum of its proper divisors (2387088378).

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

2210121222 is a wasteful number, since it uses less digits than its factorization.

2210121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126140.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2210121222 is about 47011.9263804410. The cubic root of 2210121222 is about 1302.5828770963.

Adding to 2210121222 its reverse (2221210122), we get a palindrome (4431331344).

Subtracting 2210121222 from its reverse (2221210122), we obtain a square (11088900 = 3330²).

The spelling of 2210121222 in words is "two billion, two hundred ten million, one hundred twenty-one thousand, two hundred twenty-two".