7225641 has 12 divisors (see below), whose sum is σ = 10541700. Its totient is φ = 4768800.

The previous prime is 7225607. The next prime is 7225651. The reversal of 7225641 is 1465227.

It can be written as a sum of positive squares in 2 ways, for example, as 5546025 + 1679616 = 2355^2 + 1296^2 .

It is not a de Polignac number, because 7225641 - 2⁷ = 7225513 is a prime.

7225641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7225601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3066 + ... + 4883.

It is an arithmetic number, because the mean of its divisors is an integer number (878475).

Almost surely, 2^7225641 is an apocalyptic number.

It is an amenable number.

7225641 is a deficient number, since it is larger than the sum of its proper divisors (3316059).

7225641 is a wasteful number, since it uses less digits than its factorization.

7225641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8056 (or 8053 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 7225641 is about 2688.0552449680. The cubic root of 7225641 is about 193.3268286225.

The spelling of 7225641 in words is "seven million, two hundred twenty-five thousand, six hundred forty-one".