12223025 has 6 divisors (see below), whose sum is σ = 15156582. Its totient is φ = 9778400.

The previous prime is 12223009. The next prime is 12223031. The reversal of 12223025 is 52032221.

It can be written as a sum of positive squares in 3 ways, for example, as 223729 + 11999296 = 473^2 + 3464^2 .

It is not a de Polignac number, because 12223025 - 2⁴ = 12223009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12222994 and 12223012.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 244436 + ... + 244485.

It is an arithmetic number, because the mean of its divisors is an integer number (2526097).

Almost surely, 2^12223025 is an apocalyptic number.

It is an amenable number.

12223025 is a deficient number, since it is larger than the sum of its proper divisors (2933557).

12223025 is an equidigital number, since it uses as much as digits as its factorization.

12223025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488931 (or 488926 counting only the distinct ones).

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

The square root of 12223025 is about 3496.1443048021. The cubic root of 12223025 is about 230.3524841029.

Adding to 12223025 its reverse (52032221), we get a palindrome (64255246).

The spelling of 12223025 in words is "twelve million, two hundred twenty-three thousand, twenty-five".