12222302 has 4 divisors (see below), whose sum is σ = 18333456. Its totient is φ = 6111150.

The previous prime is 12222283. The next prime is 12222307. The reversal of 12222302 is 20322221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20322221 = 2341 ⋅8681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055574 + ... + 3055577.

It is an arithmetic number, because the mean of its divisors is an integer number (4583364).

Almost surely, 2^12222302 is an apocalyptic number.

12222302 is a deficient number, since it is larger than the sum of its proper divisors (6111154).

12222302 is an equidigital number, since it uses as much as digits as its factorization.

12222302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111153.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 12222302 is about 3496.0409036509. The cubic root of 12222302 is about 230.3479421795.

Adding to 12222302 its reverse (20322221), we get a palindrome (32544523).

The spelling of 12222302 in words is "twelve million, two hundred twenty-two thousand, three hundred two".