12182229 has 6 divisors (see below), whose sum is σ = 17596566. Its totient is φ = 8121480.

The previous prime is 12182189. The next prime is 12182243. The reversal of 12182229 is 92228121.

It can be written as a sum of positive squares in only one way, i.e., 9548100 + 2634129 = 3090^2 + 1623^2 .

It is not a de Polignac number, because 12182229 - 2¹⁵ = 12149461 is a prime.

It is a super-3 number, since 3×12182229³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12182279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 676782 + ... + 676799.

It is an arithmetic number, because the mean of its divisors is an integer number (2932761).

Almost surely, 2^12182229 is an apocalyptic number.

It is an amenable number.

12182229 is a deficient number, since it is larger than the sum of its proper divisors (5414337).

12182229 is a wasteful number, since it uses less digits than its factorization.

12182229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353587 (or 1353584 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 12182229 is about 3490.3050009992. The cubic root of 12182229 is about 230.0959209234.

The spelling of 12182229 in words is "twelve million, one hundred eighty-two thousand, two hundred twenty-nine".