91522282 has 4 divisors (see below), whose sum is σ = 137283426. Its totient is φ = 45761140.

The previous prime is 91522273. The next prime is 91522283. The reversal of 91522282 is 28222519.

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

It can be written as a sum of positive squares in only one way, i.e., 91412721 + 109561 = 9561^2 + 331^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (91522283) 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 as a sum of consecutive naturals, namely, 22880569 + ... + 22880572.

Almost surely, 2^91522282 is an apocalyptic number.

91522282 is a deficient number, since it is larger than the sum of its proper divisors (45761144).

91522282 is a wasteful number, since it uses less digits than its factorization.

91522282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45761143.

The product of its digits is 5760, while the sum is 31.

The square root of 91522282 is about 9566.7278627543. The cubic root of 91522282 is about 450.6530140652.

The spelling of 91522282 in words is "ninety-one million, five hundred twenty-two thousand, two hundred eighty-two".