12223569 has 4 divisors (see below), whose sum is σ = 16298096. Its totient is φ = 8149044.

The previous prime is 12223553. The next prime is 12223571. The reversal of 12223569 is 96532221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12223569 - 2⁴ = 12223553 is a prime.

It is a super-2 number, since 2×12223569² = 298831278195522, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12223469) 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, 2037259 + ... + 2037264.

It is an arithmetic number, because the mean of its divisors is an integer number (4074524).

Almost surely, 2^12223569 is an apocalyptic number.

It is an amenable number.

12223569 is a deficient number, since it is larger than the sum of its proper divisors (4074527).

12223569 is an equidigital number, since it uses as much as digits as its factorization.

12223569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074526.

The product of its digits is 6480, while the sum is 30.

The square root of 12223569 is about 3496.2221039288. Note that the first 3 decimals coincide. The cubic root of 12223569 is about 230.3559014209.

The spelling of 12223569 in words is "twelve million, two hundred twenty-three thousand, five hundred sixty-nine".