91320433222 has 8 divisors (see below), whose sum is σ = 137745905400. Its totient is φ = 45405131424.

The previous prime is 91320433201. The next prime is 91320433241. The reversal of 91320433222 is 22233402319.

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

It is a super-2 number, since 2×91320433222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127542147 + ... + 127542862.

It is an arithmetic number, because the mean of its divisors is an integer number (17218238175).

Almost surely, 2^91320433222 is an apocalyptic number.

91320433222 is a deficient number, since it is larger than the sum of its proper divisors (46425472178).

91320433222 is a wasteful number, since it uses less digits than its factorization.

91320433222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255085190.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 91320433222 in words is "ninety-one billion, three hundred twenty million, four hundred thirty-three thousand, two hundred twenty-two".