91230312022 has 8 divisors (see below), whose sum is σ = 138056490216. Its totient is φ = 45211481952.

The previous prime is 91230312007. The next prime is 91230312023. The reversal of 91230312022 is 22021303219.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91230312023) 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, 201836748 + ... + 201837199.

It is an arithmetic number, because the mean of its divisors is an integer number (17257061277).

Almost surely, 2^91230312022 is an apocalyptic number.

91230312022 is a deficient number, since it is larger than the sum of its proper divisors (46826178194).

91230312022 is a wasteful number, since it uses less digits than its factorization.

91230312022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403674062.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 91230312022 in words is "ninety-one billion, two hundred thirty million, three hundred twelve thousand, twenty-two".