7225744 has 10 divisors (see below), whose sum is σ = 13999910. Its totient is φ = 3612864.

The previous prime is 7225739. The next prime is 7225747. The reversal of 7225744 is 4475227.

It can be written as a sum of positive squares in only one way, i.e., 7225344 + 400 = 2688^2 + 20^2 .

It is a super-2 number, since 2×7225744² = 104422752707072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7225747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225789 + ... + 225820.

It is an arithmetic number, because the mean of its divisors is an integer number (1399991).

Almost surely, 2^7225744 is an apocalyptic number.

It is an amenable number.

7225744 is a deficient number, since it is larger than the sum of its proper divisors (6774166).

7225744 is a wasteful number, since it uses less digits than its factorization.

7225744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451617 (or 451611 counting only the distinct ones).

The product of its digits is 15680, while the sum is 31.

The square root of 7225744 is about 2688.0744037322. The cubic root of 7225744 is about 193.3277472293.

The spelling of 7225744 in words is "seven million, two hundred twenty-five thousand, seven hundred forty-four".