9985041822 has 16 divisors (see below), whose sum is σ = 22822952832. Its totient is φ = 2852869080.

The previous prime is 9985041799. The next prime is 9985041827. The reversal of 9985041822 is 2281405899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9985041827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118869504 + ... + 118869587.

It is an arithmetic number, because the mean of its divisors is an integer number (1426434552).

Almost surely, 2^9985041822 is an apocalyptic number.

9985041822 is an abundant number, since it is smaller than the sum of its proper divisors (12837911010).

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

9985041822 is a wasteful number, since it uses less digits than its factorization.

9985041822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237739103.

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 9985041822 is about 99925.1811206765. The cubic root of 9985041822 is about 2153.3599400575.

The spelling of 9985041822 in words is "nine billion, nine hundred eighty-five million, forty-one thousand, eight hundred twenty-two".