91367226 has 48 divisors (see below), whose sum is σ = 206935560. Its totient is φ = 29097600.

The previous prime is 91367207. The next prime is 91367233. The reversal of 91367226 is 62276319.

It can be written as a sum of positive squares in 4 ways, for example, as 90155025 + 1212201 = 9495^2 + 1101^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51856 + ... + 53588.

Almost surely, 2^91367226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91367226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103467780).

91367226 is an abundant number, since it is smaller than the sum of its proper divisors (115568334).

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

91367226 is a wasteful number, since it uses less digits than its factorization.

91367226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871 (or 1868 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 91367226 is about 9558.6205071652. The cubic root of 91367226 is about 450.3983731526.

The spelling of 91367226 in words is "ninety-one million, three hundred sixty-seven thousand, two hundred twenty-six".