7228126 has 8 divisors (see below), whose sum is σ = 10889424. Its totient is φ = 3598320.

The previous prime is 7228121. The next prime is 7228129. The reversal of 7228126 is 6218227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7228094 and 7228103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7228121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7290 + ... + 8221.

It is an arithmetic number, because the mean of its divisors is an integer number (1361178).

Almost surely, 2^7228126 is an apocalyptic number.

7228126 is a deficient number, since it is larger than the sum of its proper divisors (3661298).

7228126 is a wasteful number, since it uses less digits than its factorization.

7228126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15746.

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

The square root of 7228126 is about 2688.5174353163. The cubic root of 7228126 is about 193.3489886913.

The spelling of 7228126 in words is "seven million, two hundred twenty-eight thousand, one hundred twenty-six".