10085661222 has 64 divisors (see below), whose sum is σ = 24904986624. Its totient is φ = 2651518080.

The previous prime is 10085661221. The next prime is 10085661259. The reversal of 10085661222 is 22216658001.

10085661222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10085661221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143947 + ... + 202217.

It is an arithmetic number, because the mean of its divisors is an integer number (389140416).

Almost surely, 2^10085661222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10085661222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12452493312).

10085661222 is an abundant number, since it is smaller than the sum of its proper divisors (14819325402).

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

10085661222 is a wasteful number, since it uses less digits than its factorization.

10085661222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58613.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 10085661222 in words is "ten billion, eighty-five million, six hundred sixty-one thousand, two hundred twenty-two".