12223169 has 4 divisors (see below), whose sum is σ = 13969344. Its totient is φ = 10476996.

The previous prime is 12223139. The next prime is 12223199. The reversal of 12223169 is 96132221.

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 an interprime number because it is at equal distance from previous prime (12223139) and next prime (12223199).

It is a cyclic number.

It is not a de Polignac number, because 12223169 - 2¹⁶ = 12157633 is a prime.

It is a super-4 number, since 4×12223169⁴ (a number of 29 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12223109) 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, 873077 + ... + 873090.

It is an arithmetic number, because the mean of its divisors is an integer number (3492336).

Almost surely, 2^12223169 is an apocalyptic number.

It is an amenable number.

12223169 is a deficient number, since it is larger than the sum of its proper divisors (1746175).

12223169 is an equidigital number, since it uses as much as digits as its factorization.

12223169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746174.

The product of its digits is 1296, while the sum is 26.

The square root of 12223169 is about 3496.1648988570. The cubic root of 12223169 is about 230.3533886969.

The spelling of 12223169 in words is "twelve million, two hundred twenty-three thousand, one hundred sixty-nine".