91082822 has 4 divisors (see below), whose sum is σ = 136624236. Its totient is φ = 45541410.

The previous prime is 91082801. The next prime is 91082837. The reversal of 91082822 is 22828019.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 22770704 + ... + 22770707.

It is an arithmetic number, because the mean of its divisors is an integer number (34156059).

Almost surely, 2^91082822 is an apocalyptic number.

91082822 is a deficient number, since it is larger than the sum of its proper divisors (45541414).

91082822 is a wasteful number, since it uses less digits than its factorization.

91082822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45541413.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 91082822 is about 9543.7320792235. The cubic root of 91082822 is about 449.9305604788.

The spelling of 91082822 in words is "ninety-one million, eighty-two thousand, eight hundred twenty-two".