91241226 has 12 divisors (see below), whose sum is σ = 197689362. Its totient is φ = 30413736.

The previous prime is 91241209. The next prime is 91241237. The reversal of 91241226 is 62214219.

It can be written as a sum of positive squares in only one way, i.e., 73977201 + 17264025 = 8601^2 + 4155^2 .

It is a super-2 number, since 2×91241226² = 16649922643966152, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 91241226.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2534461 + ... + 2534496.

Almost surely, 2^91241226 is an apocalyptic number.

91241226 is an abundant number, since it is smaller than the sum of its proper divisors (106448136).

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

91241226 is a wasteful number, since it uses less digits than its factorization.

91241226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068965 (or 5068962 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 91241226 is about 9552.0273240815. The cubic root of 91241226 is about 450.1912372366.

The spelling of 91241226 in words is "ninety-one million, two hundred forty-one thousand, two hundred twenty-six".