22448213072 has 40 divisors (see below), whose sum is σ = 46491399360. Its totient is φ = 10474238720.

The previous prime is 22448213071. The next prime is 22448213111. The reversal of 22448213072 is 27031284422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22448213071) 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, 728822 + ... + 758997.

It is an arithmetic number, because the mean of its divisors is an integer number (1162284984).

Almost surely, 2^22448213072 is an apocalyptic number.

It is an amenable number.

22448213072 is an abundant number, since it is smaller than the sum of its proper divisors (24043186288).

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

22448213072 is a wasteful number, since it uses less digits than its factorization.

22448213072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487891 (or 1487885 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

Adding to 22448213072 its reverse (27031284422), we get a palindrome (49479497494).

The spelling of 22448213072 in words is "twenty-two billion, four hundred forty-eight million, two hundred thirteen thousand, seventy-two".