2212210122222 has 16 divisors (see below), whose sum is σ = 4442932465920. Its totient is φ = 734318003832.

The previous prime is 2212210122209. The next prime is 2212210122253. The reversal of 2212210122222 is 2222210122122.

It is a super-2 number, since 2×2212210122222² (a number of 25 digits) contains 22 as substring.

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, 771341008 + ... + 771343875.

It is an arithmetic number, because the mean of its divisors is an integer number (277683279120).

Almost surely, 2^{2212210122222} is an apocalyptic number.

2212210122222 is an abundant number, since it is smaller than the sum of its proper divisors (2230722343698).

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

2212210122222 is a wasteful number, since it uses less digits than its factorization.

2212210122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542685127.

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

Adding to 2212210122222 its reverse (2222210122122), we get a palindrome (4434420244344).

The spelling of 2212210122222 in words is "two trillion, two hundred twelve billion, two hundred ten million, one hundred twenty-two thousand, two hundred twenty-two".