7224461 has 4 divisors (see below), whose sum is σ = 7538592. Its totient is φ = 6910332.

The previous prime is 7224449. The next prime is 7224479. The reversal of 7224461 is 1644227.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7224461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7224461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7224401) 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 3 ways as a sum of consecutive naturals, for example, 157031 + ... + 157076.

It is an arithmetic number, because the mean of its divisors is an integer number (1884648).

Almost surely, 2^7224461 is an apocalyptic number.

It is an amenable number.

7224461 is a deficient number, since it is larger than the sum of its proper divisors (314131).

7224461 is a wasteful number, since it uses less digits than its factorization.

7224461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314130.

The product of its digits is 2688, while the sum is 26.

The square root of 7224461 is about 2687.8357464696. The cubic root of 7224461 is about 193.3163041547.

Adding to 7224461 its reverse (1644227), we get a palindrome (8868688).

The spelling of 7224461 in words is "seven million, two hundred twenty-four thousand, four hundred sixty-one".