7224016 has 20 divisors (see below), whose sum is σ = 14480100. Its totient is φ = 3487232.

The previous prime is 7223999. The next prime is 7224029. The reversal of 7224016 is 6104227.

It can be written as a sum of positive squares in 2 ways, for example, as 3240000 + 3984016 = 1800^2 + 1996^2 .

It is a congruent number.

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, 7321 + ... + 8248.

It is an arithmetic number, because the mean of its divisors is an integer number (724005).

Almost surely, 2^7224016 is an apocalyptic number.

It is an amenable number.

7224016 is an abundant number, since it is smaller than the sum of its proper divisors (7256084).

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

7224016 is a wasteful number, since it uses less digits than its factorization.

7224016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15606 (or 15600 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 7224016 is about 2687.7529648388. The cubic root of 7224016 is about 193.3123348841.

The spelling of 7224016 in words is "seven million, two hundred twenty-four thousand, sixteen".