22488551712 has 144 divisors (see below), whose sum is σ = 72016439040. Its totient is φ = 6594854400.

The previous prime is 22488551689. The next prime is 22488551713. The reversal of 22488551712 is 21715588422.

22488551712 is a `hidden beast` number, since 2 + 2 + 4 + 88 + 551 + 7 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (22488551713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16287 + ... + 212702.

It is an arithmetic number, because the mean of its divisors is an integer number (500114160).

Almost surely, 2^22488551712 is an apocalyptic number.

22488551712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22488551712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36008219520).

22488551712 is an abundant number, since it is smaller than the sum of its proper divisors (49527887328).

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

22488551712 is a wasteful number, since it uses less digits than its factorization.

22488551712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229047 (or 229036 counting only the distinct ones).

The product of its digits is 358400, while the sum is 45.

The spelling of 22488551712 in words is "twenty-two billion, four hundred eighty-eight million, five hundred fifty-one thousand, seven hundred twelve".