12225470 has 32 divisors (see below), whose sum is σ = 22982400. Its totient is φ = 4677120.

The previous prime is 12225463. The next prime is 12225491. The reversal of 12225470 is 7452221.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34856 + ... + 35204.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 2^12225470 is an apocalyptic number.

12225470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12225470 is a deficient number, since it is larger than the sum of its proper divisors (10756930).

12225470 is a wasteful number, since it uses less digits than its factorization.

12225470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 12225470 is about 3496.4939582387. The cubic root of 12225470 is about 230.3678423925.

Adding to 12225470 its reverse (7452221), we get a palindrome (19677691).

The spelling of 12225470 in words is "twelve million, two hundred twenty-five thousand, four hundred seventy".