211222310232222 has 24 divisors (see below), whose sum is σ = 484568829356976. Its totient is φ = 66265822817856.

The previous prime is 211222310232191. The next prime is 211222310232229. The reversal of 211222310232222 is 222232013222112.

211222310232222 is a `hidden beast` number, since 2 + 1 + 1 + 2 + 2 + 2 + 310 + 2 + 322 + 22 = 666.

It is a super-2 number, since 2×211222310232222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211222310232229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 345134493538 + ... + 345134494149.

It is an arithmetic number, because the mean of its divisors is an integer number (20190367889874).

Almost surely, 2^{211222310232222} is an apocalyptic number.

211222310232222 is an abundant number, since it is smaller than the sum of its proper divisors (273346519124754).

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

211222310232222 is a wasteful number, since it uses less digits than its factorization.

211222310232222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690268987712 (or 690268987709 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 211222310232222 its reverse (222232013222112), we get a palindrome (433454323454334).

The spelling of 211222310232222 in words is "two hundred eleven trillion, two hundred twenty-two billion, three hundred ten million, two hundred thirty-two thousand, two hundred twenty-two".