12522203 has 4 divisors (see below), whose sum is σ = 12567048. Its totient is φ = 12477360.

The previous prime is 12522193. The next prime is 12522221. The reversal of 12522203 is 30222521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12522203 - 2¹⁶ = 12456667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12522253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22001 + ... + 22562.

It is an arithmetic number, because the mean of its divisors is an integer number (3141762).

Almost surely, 2^12522203 is an apocalyptic number.

12522203 is the 1892-nd centered heptagonal number.

12522203 is a deficient number, since it is larger than the sum of its proper divisors (44845).

12522203 is an equidigital number, since it uses as much as digits as its factorization.

12522203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44844.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 12522203 is about 3538.6724912034. The cubic root of 12522203 is about 232.2167699992.

Adding to 12522203 its reverse (30222521), we get a palindrome (42744724).

The spelling of 12522203 in words is "twelve million, five hundred twenty-two thousand, two hundred three".