12228357 has 8 divisors (see below), whose sum is σ = 16332480. Its totient is φ = 8138240.

The previous prime is 12228329. The next prime is 12228367. The reversal of 12228357 is 75382221.

12228357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12228357 - 2¹⁰ = 12227333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12228367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257 + ... + 5102.

It is an arithmetic number, because the mean of its divisors is an integer number (2041560).

Almost surely, 2^12228357 is an apocalyptic number.

It is an amenable number.

12228357 is a deficient number, since it is larger than the sum of its proper divisors (4104123).

12228357 is an equidigital number, since it uses as much as digits as its factorization.

12228357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7003.

The product of its digits is 6720, while the sum is 30.

The square root of 12228357 is about 3496.9067759950. The cubic root of 12228357 is about 230.3859744729.

The spelling of 12228357 in words is "twelve million, two hundred twenty-eight thousand, three hundred fifty-seven".