12212334 has 12 divisors (see below), whose sum is σ = 26460096. Its totient is φ = 4070772.

The previous prime is 12212327. The next prime is 12212363. The reversal of 12212334 is 43321221.

It is a super-2 number, since 2×12212334² = 298282203455112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 678463 = 12212334 / (1 + 2 + 2 + 1 + 2 + 3 + 3 + 4).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 339214 + ... + 339249.

It is an arithmetic number, because the mean of its divisors is an integer number (2205008).

Almost surely, 2^12212334 is an apocalyptic number.

12212334 is an abundant number, since it is smaller than the sum of its proper divisors (14247762).

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

12212334 is a wasteful number, since it uses less digits than its factorization.

12212334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678471 (or 678468 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 12212334 is about 3494.6150002540. The cubic root of 12212334 is about 230.2853044218.

Adding to 12212334 its reverse (43321221), we get a palindrome (55533555).

The spelling of 12212334 in words is "twelve million, two hundred twelve thousand, three hundred thirty-four".