22451214112 has 96 divisors (see below), whose sum is σ = 48630758400. Its totient is φ = 10155518208.

The previous prime is 22451214077. The next prime is 22451214119. The reversal of 22451214112 is 21141215422.

It is not an unprimeable number, because it can be changed into a prime (22451214119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12850423 + ... + 12852169.

It is an arithmetic number, because the mean of its divisors is an integer number (506570400).

Almost surely, 2^22451214112 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 22451214112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24315379200).

22451214112 is an abundant number, since it is smaller than the sum of its proper divisors (26179544288).

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

22451214112 is a wasteful number, since it uses less digits than its factorization.

22451214112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718 (or 2710 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

Adding to 22451214112 its reverse (21141215422), we get a palindrome (43592429534).

The spelling of 22451214112 in words is "twenty-two billion, four hundred fifty-one million, two hundred fourteen thousand, one hundred twelve".