12252223 has 16 divisors (see below), whose sum is σ = 13630464. Its totient is φ = 10961280.

The previous prime is 12252197. The next prime is 12252259. The reversal of 12252223 is 32225221.

It is a cyclic number.

It is not a de Polignac number, because 12252223 - 2²¹ = 10155071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12252223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12252263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35136 + ... + 35482.

It is an arithmetic number, because the mean of its divisors is an integer number (851904).

Almost surely, 2^12252223 is an apocalyptic number.

12252223 is a deficient number, since it is larger than the sum of its proper divisors (1378241).

12252223 is a wasteful number, since it uses less digits than its factorization.

12252223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462.

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

The square root of 12252223 is about 3500.3175570225. The cubic root of 12252223 is about 230.5357579770.

Adding to 12252223 its reverse (32225221), we get a palindrome (44477444).

The spelling of 12252223 in words is "twelve million, two hundred fifty-two thousand, two hundred twenty-three".