12227342 has 4 divisors (see below), whose sum is σ = 18341016. Its totient is φ = 6113670.

The previous prime is 12227333. The next prime is 12227359. The reversal of 12227342 is 24372221.

It is a happy number.

12227342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24372221 = 3271 ⋅7451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3056834 + ... + 3056837.

It is an arithmetic number, because the mean of its divisors is an integer number (4585254).

Almost surely, 2^12227342 is an apocalyptic number.

12227342 is a deficient number, since it is larger than the sum of its proper divisors (6113674).

12227342 is an equidigital number, since it uses as much as digits as its factorization.

12227342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6113673.

The product of its digits is 1344, while the sum is 23.

The square root of 12227342 is about 3496.7616447222. The cubic root of 12227342 is about 230.3795999934.

Adding to 12227342 its reverse (24372221), we get a palindrome (36599563).

The spelling of 12227342 in words is "twelve million, two hundred twenty-seven thousand, three hundred forty-two".