91748226 has 32 divisors (see below), whose sum is σ = 195168960. Its totient is φ = 28670976.

The previous prime is 91748213. The next prime is 91748233. The reversal of 91748226 is 62284719.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6910 + ... + 15206.

It is an arithmetic number, because the mean of its divisors is an integer number (6099030).

Almost surely, 2^91748226 is an apocalyptic number.

91748226 is an abundant number, since it is smaller than the sum of its proper divisors (103420734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91748226 is a wasteful number, since it uses less digits than its factorization.

91748226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8418.

The product of its digits is 48384, while the sum is 39.

The square root of 91748226 is about 9578.5294278402. The cubic root of 91748226 is about 451.0235565036.

The spelling of 91748226 in words is "ninety-one million, seven hundred forty-eight thousand, two hundred twenty-six".