2122212210222 has 64 divisors (see below), whose sum is σ = 4919137280064. Its totient is φ = 604502231040.

The previous prime is 2122212210203. The next prime is 2122212210227. The reversal of 2122212210222 is 2220122122212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122212210227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13037653 + ... + 13199424.

It is an arithmetic number, because the mean of its divisors is an integer number (76861520001).

Almost surely, 2^{2122212210222} is an apocalyptic number.

2122212210222 is an abundant number, since it is smaller than the sum of its proper divisors (2796925069842).

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

2122212210222 is a wasteful number, since it uses less digits than its factorization.

2122212210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26237173.

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

Adding to 2122212210222 its reverse (2220122122212), we get a palindrome (4342334332434).

The spelling of 2122212210222 in words is "two trillion, one hundred twenty-two billion, two hundred twelve million, two hundred ten thousand, two hundred twenty-two".