7814225 has 12 divisors (see below), whose sum is σ = 10200240. Its totient is φ = 5922000.

The previous prime is 7814221. The next prime is 7814239. The reversal of 7814225 is 5224187.

It is not a de Polignac number, because 7814225 - 2² = 7814221 is a prime.

It is a super-2 number, since 2×7814225² = 122124224701250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7814221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7751 + ... + 8700.

It is an arithmetic number, because the mean of its divisors is an integer number (850020).

Almost surely, 2^7814225 is an apocalyptic number.

It is an amenable number.

7814225 is a deficient number, since it is larger than the sum of its proper divisors (2386015).

7814225 is a wasteful number, since it uses less digits than its factorization.

7814225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16480 (or 16475 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 7814225 is about 2795.3935322240. The cubic root of 7814225 is about 198.4397345110.

The spelling of 7814225 in words is "seven million, eight hundred fourteen thousand, two hundred twenty-five".