90320677222 has 4 divisors (see below), whose sum is σ = 135481015836. Its totient is φ = 45160338610.

The previous prime is 90320677201. The next prime is 90320677229. The reversal of 90320677222 is 22277602309.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22277602309 = 67 ⋅332501527.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90320677229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22580169304 + ... + 22580169307.

It is an arithmetic number, because the mean of its divisors is an integer number (33870253959).

Almost surely, 2^90320677222 is an apocalyptic number.

90320677222 is a deficient number, since it is larger than the sum of its proper divisors (45160338614).

90320677222 is a wasteful number, since it uses less digits than its factorization.

90320677222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45160338613.

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 90320677222 in words is "ninety billion, three hundred twenty million, six hundred seventy-seven thousand, two hundred twenty-two".