22212422312 has 32 divisors (see below), whose sum is σ = 43001902080. Its totient is φ = 10745417280.

The previous prime is 22212422299. The next prime is 22212422341. The reversal of 22212422312 is 21322421222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1456358 + ... + 1471530.

It is an arithmetic number, because the mean of its divisors is an integer number (1343809440).

Almost surely, 2^22212422312 is an apocalyptic number.

It is an amenable number.

22212422312 is a deficient number, since it is larger than the sum of its proper divisors (20789479768).

22212422312 is a wasteful number, since it uses less digits than its factorization.

22212422312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21113 (or 21109 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

Adding to 22212422312 its reverse (21322421222), we get a palindrome (43534843534).

The spelling of 22212422312 in words is "twenty-two billion, two hundred twelve million, four hundred twenty-two thousand, three hundred twelve".