22461841864 has 96 divisors (see below), whose sum is σ = 55170236160. Its totient is φ = 8469014400.

The previous prime is 22461841847. The next prime is 22461841867. The reversal of 22461841864 is 46814816422.

It is not an unprimeable number, because it can be changed into a prime (22461841867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49654 + ... + 217690.

It is an arithmetic number, because the mean of its divisors is an integer number (574689960).

Almost surely, 2^22461841864 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 22461841864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27585118080).

22461841864 is an abundant number, since it is smaller than the sum of its proper divisors (32708394296).

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

22461841864 is a wasteful number, since it uses less digits than its factorization.

22461841864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168099 (or 168088 counting only the distinct ones).

The product of its digits is 589824, while the sum is 46.

The spelling of 22461841864 in words is "twenty-two billion, four hundred sixty-one million, eight hundred forty-one thousand, eight hundred sixty-four".