22233120212 has 6 divisors (see below), whose sum is σ = 38907960378. Its totient is φ = 11116560104.

The previous prime is 22233120187. The next prime is 22233120227. The reversal of 22233120212 is 21202133222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21258806416 + 974313796 = 145804^2 + 31214^2 .

It is a super-3 number, since 3×22233120212³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2779140023 + ... + 2779140030.

It is an arithmetic number, because the mean of its divisors is an integer number (6484660063).

Almost surely, 2^22233120212 is an apocalyptic number.

It is an amenable number.

22233120212 is a deficient number, since it is larger than the sum of its proper divisors (16674840166).

22233120212 is a wasteful number, since it uses less digits than its factorization.

22233120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5558280057 (or 5558280055 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22233120212 its reverse (21202133222), we get a palindrome (43435253434).

The spelling of 22233120212 in words is "twenty-two billion, two hundred thirty-three million, one hundred twenty thousand, two hundred twelve".