91226 has 4 divisors (see below), whose sum is σ = 136842.
Its totient is φ = 45612.
The previous prime is 91199. The next prime is 91229. The reversal of 91226 is 62219.
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., 90601 + 625 = 301^2 + 25^2
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 91198 and 91207.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 91226.
It is not an unprimeable number, because it can be changed into a prime (91229) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22805 + ... + 22808.
291226 is an apocalyptic number.
91226 is a deficient number, since it is larger than the sum of its proper divisors (45616).
91226 is a wasteful number, since it uses less digits than its factorization.
91226 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45615.
The product of its digits is 216, while the sum is 20.
The square root of 91226 is about 302.0364216448.
The cubic root of 91226 is about 45.0166193758.
The spelling of 91226 in words is "ninety-one thousand, two hundred twenty-six".