22244260168 has 64 divisors (see below), whose sum is σ = 46138055040. Its totient is φ = 9989167104.

The previous prime is 22244260153. The next prime is 22244260307. The reversal of 22244260168 is 86106244222.

It is a super-2 number, since 2×22244260168² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1166680 + ... + 1185592.

It is an arithmetic number, because the mean of its divisors is an integer number (720907110).

Almost surely, 2^22244260168 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 22244260168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23069027520).

22244260168 is an abundant number, since it is smaller than the sum of its proper divisors (23893794872).

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

22244260168 is a wasteful number, since it uses less digits than its factorization.

22244260168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19238 (or 19234 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The spelling of 22244260168 in words is "twenty-two billion, two hundred forty-four million, two hundred sixty thousand, one hundred sixty-eight".