7210226 has 16 divisors (see below), whose sum is σ = 11104128. Its totient is φ = 3510000.

The previous prime is 7210207. The next prime is 7210237. The reversal of 7210226 is 6220127.

It is a junction number, because it is equal to n+sod(n) for n = 7210198 and 7210207.

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 in 7 ways as a sum of consecutive naturals, for example, 26471 + ... + 26741.

It is an arithmetic number, because the mean of its divisors is an integer number (694008).

Almost surely, 2^7210226 is an apocalyptic number.

7210226 is a deficient number, since it is larger than the sum of its proper divisors (3893902).

7210226 is a wasteful number, since it uses less digits than its factorization.

7210226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 7210226 is about 2685.1863994889. The cubic root of 7210226 is about 193.1892512170.

Subtracting from 7210226 its reverse (6220127), we obtain a palindrome (990099).

The spelling of 7210226 in words is "seven million, two hundred ten thousand, two hundred twenty-six".