12282201 has 12 divisors (see below), whose sum is σ = 17776980. Its totient is φ = 8171520.

The previous prime is 12282199. The next prime is 12282203. The reversal of 12282201 is 10228221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12282199) and next prime (12282203).

It can be written as a sum of positive squares in 2 ways, for example, as 7420176 + 4862025 = 2724^2 + 2205^2 .

It is not a de Polignac number, because 12282201 - 2¹ = 12282199 is a prime.

It is a super-2 number, since 2×12282201² = 301704922808802, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12282203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4705 + ... + 6833.

It is an arithmetic number, because the mean of its divisors is an integer number (1481415).

Almost surely, 2^12282201 is an apocalyptic number.

It is an amenable number.

12282201 is a deficient number, since it is larger than the sum of its proper divisors (5494779).

12282201 is a wasteful number, since it uses less digits than its factorization.

12282201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776 (or 2773 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 12282201 is about 3504.5971237790. The cubic root of 12282201 is about 230.7236251673.

It can be divided in two parts, 1228220 and 1, that added together give a palindrome (1228221).

The spelling of 12282201 in words is "twelve million, two hundred eighty-two thousand, two hundred one".