7224460 has 12 divisors (see below), whose sum is σ = 15171408. Its totient is φ = 2889776.

The previous prime is 7224449. The next prime is 7224479. The reversal of 7224460 is 644227.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180592 + ... + 180631.

It is an arithmetic number, because the mean of its divisors is an integer number (1264284).

Almost surely, 2^7224460 is an apocalyptic number.

It is an amenable number.

7224460 is an abundant number, since it is smaller than the sum of its proper divisors (7946948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7224460 is a wasteful number, since it uses less digits than its factorization.

7224460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361232 (or 361230 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 7224460 is about 2687.8355604464. The cubic root of 7224460 is about 193.3162952352.

Adding to 7224460 its reverse (644227), we get a palindrome (7868687).

The spelling of 7224460 in words is "seven million, two hundred twenty-four thousand, four hundred sixty".