22700224512 has 624 divisors, whose sum is σ = 80678073600. Its totient is φ = 6286049280.

The previous prime is 22700224493. The next prime is 22700224543. The reversal of 22700224512 is 21542200722.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 319721437 + ... + 319721507.

Almost surely, 2^22700224512 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 22700224512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40339036800).

22700224512 is an abundant number, since it is smaller than the sum of its proper divisors (57977849088).

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

22700224512 is an equidigital number, since it uses as much as digits as its factorization.

22700224512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The spelling of 22700224512 in words is "twenty-two billion, seven hundred million, two hundred twenty-four thousand, five hundred twelve".