22224475512 has 192 divisors, whose sum is σ = 64185825600. Its totient is φ = 6932428800.

The previous prime is 22224475447. The next prime is 22224475543. The reversal of 22224475512 is 21557442222.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 14885038 + ... + 14886530.

It is an arithmetic number, because the mean of its divisors is an integer number (334301175).

Almost surely, 2^22224475512 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 22224475512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32092912800).

22224475512 is an abundant number, since it is smaller than the sum of its proper divisors (41961350088).

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

22224475512 is a wasteful number, since it uses less digits than its factorization.

22224475512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718 (or 1711 counting only the distinct ones).

The product of its digits is 89600, while the sum is 36.

The spelling of 22224475512 in words is "twenty-two billion, two hundred twenty-four million, four hundred seventy-five thousand, five hundred twelve".