12822225 has 24 divisors (see below), whose sum is σ = 22831872. Its totient is φ = 6312000.

The previous prime is 12822203. The next prime is 12822269. The reversal of 12822225 is 52222821.

12822225 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12822225 - 2⁵ = 12822193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12822195 and 12822204.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5601 + ... + 7550.

It is an arithmetic number, because the mean of its divisors is an integer number (951328).

Almost surely, 2^12822225 is an apocalyptic number.

12822225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12822225 is a deficient number, since it is larger than the sum of its proper divisors (10009647).

12822225 is a wasteful number, since it uses less digits than its factorization.

12822225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13177 (or 13172 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 12822225 is about 3580.8134550686. The cubic root of 12822225 is about 234.0567288861.

The spelling of 12822225 in words is "twelve million, eight hundred twenty-two thousand, two hundred twenty-five".