22212031222 has 16 divisors (see below), whose sum is σ = 33741711360. Its totient is φ = 10964970792.

The previous prime is 22212031213. The next prime is 22212031307. The reversal of 22212031222 is 22213021222.

It is a super-3 number, since 3×22212031222³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22212031222.

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, 212779 + ... + 299497.

It is an arithmetic number, because the mean of its divisors is an integer number (2108856960).

Almost surely, 2^22212031222 is an apocalyptic number.

22212031222 is a deficient number, since it is larger than the sum of its proper divisors (11529680138).

22212031222 is a wasteful number, since it uses less digits than its factorization.

22212031222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88347.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22212031222 its reverse (22213021222), we get a palindrome (44425052444).

The spelling of 22212031222 in words is "twenty-two billion, two hundred twelve million, thirty-one thousand, two hundred twenty-two".