7274225 has 24 divisors (see below), whose sum is σ = 10410048. Its totient is φ = 4939200.

The previous prime is 7274213. The next prime is 7274251. The reversal of 7274225 is 5224727.

It is not a de Polignac number, because 7274225 - 2²⁰ = 6225649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34370 + ... + 34580.

It is an arithmetic number, because the mean of its divisors is an integer number (433752).

Almost surely, 2^7274225 is an apocalyptic number.

It is an amenable number.

7274225 is a deficient number, since it is larger than the sum of its proper divisors (3135823).

7274225 is a wasteful number, since it uses less digits than its factorization.

7274225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 420 counting only the distinct ones).

The product of its digits is 7840, while the sum is 29.

The square root of 7274225 is about 2697.0771216263. The cubic root of 7274225 is about 193.7591601635.

The spelling of 7274225 in words is "seven million, two hundred seventy-four thousand, two hundred twenty-five".