7917226 has 8 divisors (see below), whose sum is σ = 11895840. Its totient is φ = 3951948.

The previous prime is 7917211. The next prime is 7917229. The reversal of 7917226 is 6227197.

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

It is a d-powerful number, because it can be written as 7³ + 9² + 1 + 7⁸ + 2¹³ + 2²¹ + 6⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 7917191 and 7917200.

It is not an unprimeable number, because it can be changed into a prime (7917229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1686 + ... + 4321.

It is an arithmetic number, because the mean of its divisors is an integer number (1486980).

Almost surely, 2^7917226 is an apocalyptic number.

7917226 is a deficient number, since it is larger than the sum of its proper divisors (3978614).

7917226 is a wasteful number, since it uses less digits than its factorization.

7917226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668.

The product of its digits is 10584, while the sum is 34.

The square root of 7917226 is about 2813.7565637418. The cubic root of 7917226 is about 199.3078238914.

The spelling of 7917226 in words is "seven million, nine hundred seventeen thousand, two hundred twenty-six".