7286228 has 12 divisors (see below), whose sum is σ = 12991860. Its totient is φ = 3574272.

The previous prime is 7286219. The next prime is 7286243. The reversal of 7286228 is 8226827.

It can be written as a sum of positive squares in 2 ways, for example, as 6461764 + 824464 = 2542^2 + 908^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 16973 + ... + 17396.

It is an arithmetic number, because the mean of its divisors is an integer number (1082655).

Almost surely, 2^7286228 is an apocalyptic number.

It is an amenable number.

7286228 is a deficient number, since it is larger than the sum of its proper divisors (5705632).

7286228 is a wasteful number, since it uses less digits than its factorization.

7286228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34426 (or 34424 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 7286228 is about 2699.3013911010. The cubic root of 7286228 is about 193.8656738326.

The spelling of 7286228 in words is "seven million, two hundred eighty-six thousand, two hundred twenty-eight".