2210212221222 has 16 divisors (see below), whose sum is σ = 4422157293312. Its totient is φ = 736448598600.

The previous prime is 2210212221197. The next prime is 2210212221263. The reversal of 2210212221222 is 2221222120122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72185538 + ... + 72216149.

It is an arithmetic number, because the mean of its divisors is an integer number (276384830832).

Almost surely, 2^{2210212221222} is an apocalyptic number.

2210212221222 is an abundant number, since it is smaller than the sum of its proper divisors (2211945072090).

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

2210212221222 is a wasteful number, since it uses less digits than its factorization.

2210212221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144404243.

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

Adding to 2210212221222 its reverse (2221222120122), we get a palindrome (4431434341344).

The spelling of 2210212221222 in words is "two trillion, two hundred ten billion, two hundred twelve million, two hundred twenty-one thousand, two hundred twenty-two".