91422041 has 4 divisors (see below), whose sum is σ = 91804800. Its totient is φ = 91039284.

The previous prime is 91422017. The next prime is 91422049. The reversal of 91422041 is 14022419.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14022419 = 2029 ⋅6911.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91422041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 91421998 and 91422016.

It is not an unprimeable number, because it can be changed into a prime (91422049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191021 + ... + 191498.

It is an arithmetic number, because the mean of its divisors is an integer number (22951200).

Almost surely, 2^91422041 is an apocalyptic number.

It is an amenable number.

91422041 is a deficient number, since it is larger than the sum of its proper divisors (382759).

91422041 is a wasteful number, since it uses less digits than its factorization.

91422041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382758.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 91422041 is about 9561.4873842933. The cubic root of 91422041 is about 450.4884260534.

The spelling of 91422041 in words is "ninety-one million, four hundred twenty-two thousand, forty-one".