12522223 has 8 divisors (see below), whose sum is σ = 14360192. Its totient is φ = 10696536.

The previous prime is 12522221. The next prime is 12522227. The reversal of 12522223 is 32222521.

12522223 is digitally balanced in base 3, 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 12522223 - 2¹ = 12522221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12522223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12522221) 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, 765 + ... + 5062.

It is an arithmetic number, because the mean of its divisors is an integer number (1795024).

Almost surely, 2^12522223 is an apocalyptic number.

12522223 is a deficient number, since it is larger than the sum of its proper divisors (1837969).

12522223 is an equidigital number, since it uses as much as digits as its factorization.

12522223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6141.

The product of its digits is 480, while the sum is 19.

The square root of 12522223 is about 3538.6753171208. The cubic root of 12522223 is about 232.2168936285.

Adding to 12522223 its reverse (32222521), we get a palindrome (44744744).

The spelling of 12522223 in words is "twelve million, five hundred twenty-two thousand, two hundred twenty-three".