226091 has 4 divisors (see below), whose sum is σ = 228312. Its totient is φ = 223872.

The previous prime is 226087. The next prime is 226099. The reversal of 226091 is 190622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190622 = 2 ⋅95311.

It is a cyclic number.

It is not a de Polignac number, because 226091 - 2² = 226087 is a prime.

It is a super-2 number, since 2×226091² = 102234280562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 950 + ... + 1163.

It is an arithmetic number, because the mean of its divisors is an integer number (57078).

2²²⁶⁰⁹¹ is an apocalyptic number.

226091 is a deficient number, since it is larger than the sum of its proper divisors (2221).

226091 is a wasteful number, since it uses less digits than its factorization.

226091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 226091 is about 475.4902732969. The cubic root of 226091 is about 60.9201678957.

The spelling of 226091 in words is "two hundred twenty-six thousand, ninety-one".