22086985284 has 192 divisors, whose sum is σ = 73541959680. Its totient is φ = 5571815040.

The previous prime is 22086985273. The next prime is 22086985301. The reversal of 22086985284 is 48258968022.

It is a happy number.

22086985284 is a `hidden beast` number, since 2 + 20 + 8 + 6 + 98 + 528 + 4 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 22086985284.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 177189 + ... + 274899.

It is an arithmetic number, because the mean of its divisors is an integer number (383031040).

Almost surely, 2^22086985284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22086985284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36770979840).

22086985284 is an abundant number, since it is smaller than the sum of its proper divisors (51454974396).

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

22086985284 is a wasteful number, since it uses less digits than its factorization.

22086985284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97767 (or 97759 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

It can be divided in two parts, 220869 and 85284, that added together give a triangular number (306153 = T₇₈₂).

The spelling of 22086985284 in words is "twenty-two billion, eighty-six million, nine hundred eighty-five thousand, two hundred eighty-four".