90065708922 has 32 divisors (see below), whose sum is σ = 205921740672. Its totient is φ = 25725901824.

The previous prime is 90065708903. The next prime is 90065708923. The reversal of 90065708922 is 22980756009.

It is a super-2 number, since 2×90065708922² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90065708923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144523 + ... + 448350.

It is an arithmetic number, because the mean of its divisors is an integer number (6435054396).

Almost surely, 2^90065708922 is an apocalyptic number.

90065708922 is an abundant number, since it is smaller than the sum of its proper divisors (115856031750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90065708922 is a wasteful number, since it uses less digits than its factorization.

90065708922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596502.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 90065708922 in words is "ninety billion, sixty-five million, seven hundred eight thousand, nine hundred twenty-two".