7228066 has 4 divisors (see below), whose sum is σ = 10842102. Its totient is φ = 3614032.

The previous prime is 7228033. The next prime is 7228093. The reversal of 7228066 is 6608227.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4932841 + 2295225 = 2221^2 + 1515^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1807015 + ... + 1807018.

Almost surely, 2^7228066 is an apocalyptic number.

7228066 is a deficient number, since it is larger than the sum of its proper divisors (3614036).

7228066 is a wasteful number, since it uses less digits than its factorization.

7228066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614035.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 7228066 is about 2688.5062767269. The cubic root of 7228066 is about 193.3484536992.

The spelling of 7228066 in words is "seven million, two hundred twenty-eight thousand, sixty-six".