22002212212 has 24 divisors (see below), whose sum is σ = 38654179200. Its totient is φ = 10958227680.

The previous prime is 22002212201. The next prime is 22002212231. The reversal of 22002212212 is 21221220022.

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, 1431633 + ... + 1446919.

It is an arithmetic number, because the mean of its divisors is an integer number (1610590800).

Almost surely, 2^22002212212 is an apocalyptic number.

It is an amenable number.

22002212212 is a deficient number, since it is larger than the sum of its proper divisors (16651966988).

22002212212 is a wasteful number, since it uses less digits than its factorization.

22002212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16671 (or 16669 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22002212212 its reverse (21221220022), we get a palindrome (43223432234).

The spelling of 22002212212 in words is "twenty-two billion, two million, two hundred twelve thousand, two hundred twelve".