922091 has 4 divisors (see below), whose sum is σ = 927912. Its totient is φ = 916272.

The previous prime is 922087. The next prime is 922099. The reversal of 922091 is 190229.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190229 = 13 ⋅14633.

It is a cyclic number.

It is not a de Polignac number, because 922091 - 2² = 922087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (922099) 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, 2666 + ... + 2991.

It is an arithmetic number, because the mean of its divisors is an integer number (231978).

2⁹²²⁰⁹¹ is an apocalyptic number.

922091 is a deficient number, since it is larger than the sum of its proper divisors (5821).

922091 is a wasteful number, since it uses less digits than its factorization.

922091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 922091 is about 960.2556951146. The cubic root of 922091 is about 97.3325110437.

The spelling of 922091 in words is "nine hundred twenty-two thousand, ninety-one".