7282216 has 8 divisors (see below), whose sum is σ = 13654170. Its totient is φ = 3641104.

The previous prime is 7282213. The next prime is 7282217. The reversal of 7282216 is 6122827.

It can be written as a sum of positive squares in only one way, i.e., 7001316 + 280900 = 2646^2 + 530^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7282213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455131 + ... + 455146.

Almost surely, 2^7282216 is an apocalyptic number.

It is an amenable number.

7282216 is a deficient number, since it is larger than the sum of its proper divisors (6371954).

7282216 is a wasteful number, since it uses less digits than its factorization.

7282216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910283 (or 910279 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 7282216 is about 2698.5581335224. The cubic root of 7282216 is about 193.8300846872.

The spelling of 7282216 in words is "seven million, two hundred eighty-two thousand, two hundred sixteen".