22747984512 has 384 divisors, whose sum is σ = 72670348800. Its totient is φ = 6271795200.

The previous prime is 22747984507. The next prime is 22747984559. The reversal of 22747984512 is 21548974722.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24486064 + ... + 24486992.

It is an arithmetic number, because the mean of its divisors is an integer number (189245700).

Almost surely, 2^22747984512 is an apocalyptic number.

22747984512 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 22747984512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36335174400).

22747984512 is an abundant number, since it is smaller than the sum of its proper divisors (49922364288).

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

22747984512 is a wasteful number, since it uses less digits than its factorization.

22747984512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 993 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The spelling of 22747984512 in words is "twenty-two billion, seven hundred forty-seven million, nine hundred eighty-four thousand, five hundred twelve".