94422091 has 4 divisors (see below), whose sum is σ = 94770784. Its totient is φ = 94073400.

The previous prime is 94422079. The next prime is 94422121. The reversal of 94422091 is 19022449.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19022449 = 23 ⋅827063.

It is a cyclic number.

It is not a de Polignac number, because 94422091 - 2¹¹ = 94420043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94422491) 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, 173940 + ... + 174481.

It is an arithmetic number, because the mean of its divisors is an integer number (23692696).

Almost surely, 2^94422091 is an apocalyptic number.

94422091 is a deficient number, since it is larger than the sum of its proper divisors (348693).

94422091 is a wasteful number, since it uses less digits than its factorization.

94422091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348692.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 94422091 is about 9717.1030147879. The cubic root of 94422091 is about 455.3631380278.

The spelling of 94422091 in words is "ninety-four million, four hundred twenty-two thousand, ninety-one".