91122022 has 8 divisors (see below), whose sum is σ = 136850400. Its totient is φ = 45505224.

The previous prime is 91122011. The next prime is 91122029. The reversal of 91122022 is 22022119.

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 (91122029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25822 + ... + 29137.

It is an arithmetic number, because the mean of its divisors is an integer number (17106300).

Almost surely, 2^91122022 is an apocalyptic number.

91122022 is a deficient number, since it is larger than the sum of its proper divisors (45728378).

91122022 is a wasteful number, since it uses less digits than its factorization.

91122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55790.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 91122022 is about 9545.7855622259. The cubic root of 91122022 is about 449.9950978890.

The spelling of 91122022 in words is "ninety-one million, one hundred twenty-two thousand, twenty-two".