222066042512 has 60 divisors (see below), whose sum is σ = 454377910140. Its totient is φ = 105122416896.

The previous prime is 222066042479. The next prime is 222066042533. The reversal of 222066042512 is 215240660222.

It can be written as a sum of positive squares in 2 ways, for example, as 28363949056 + 193702093456 = 168416^2 + 440116^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9767414 + ... + 9790122.

It is an arithmetic number, because the mean of its divisors is an integer number (7572965169).

Almost surely, 2^222066042512 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 222066042512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227188955070).

222066042512 is an abundant number, since it is smaller than the sum of its proper divisors (232311867628).

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

222066042512 is a wasteful number, since it uses less digits than its factorization.

222066042512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24448 (or 24423 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 222066042512 in words is "two hundred twenty-two billion, sixty-six million, forty-two thousand, five hundred twelve".