12222603 has 8 divisors (see below), whose sum is σ = 18107600. Its totient is φ = 8148384.

The previous prime is 12222593. The next prime is 12222629. The reversal of 12222603 is 30622221.

It is not a de Polignac number, because 12222603 - 2⁵ = 12222571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222673) 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, 226318 + ... + 226371.

It is an arithmetic number, because the mean of its divisors is an integer number (2263450).

Almost surely, 2^12222603 is an apocalyptic number.

12222603 is a deficient number, since it is larger than the sum of its proper divisors (5884997).

12222603 is an equidigital number, since it uses as much as digits as its factorization.

12222603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452698 (or 452692 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 12222603 is about 3496.0839520812. The cubic root of 12222603 is about 230.3498330988.

Adding to 12222603 its reverse (30622221), we get a palindrome (42844824).

The spelling of 12222603 in words is "twelve million, two hundred twenty-two thousand, six hundred three".