9997226 has 16 divisors (see below), whose sum is σ = 15873408. Its totient is φ = 4712400.

The previous prime is 9997219. The next prime is 9997237. The reversal of 9997226 is 6227999.

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, 1736 + ... + 4796.

It is an arithmetic number, because the mean of its divisors is an integer number (992088).

Almost surely, 2^9997226 is an apocalyptic number.

9997226 is a deficient number, since it is larger than the sum of its proper divisors (5876182).

9997226 is a wasteful number, since it uses less digits than its factorization.

9997226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157.

The product of its digits is 122472, while the sum is 44.

The square root of 9997226 is about 3161.8390218352. The cubic root of 9997226 is about 215.4235458214.

The spelling of 9997226 in words is "nine million, nine hundred ninety-seven thousand, two hundred twenty-six".