222085243512 has 96 divisors (see below), whose sum is σ = 656514920880. Its totient is φ = 67262254080.

The previous prime is 222085243511. The next prime is 222085243529. The reversal of 222085243512 is 215342580222.

222085243512 is a `hidden beast` number, since 2 + 2 + 20 + 85 + 2 + 43 + 512 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222085243511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1411888 + ... + 1561280.

Almost surely, 2^222085243512 is an apocalyptic number.

222085243512 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 222085243512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328257460440).

222085243512 is an abundant number, since it is smaller than the sum of its proper divisors (434429677368).

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

222085243512 is a wasteful number, since it uses less digits than its factorization.

222085243512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151293 (or 151286 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 222085243512 in words is "two hundred twenty-two billion, eighty-five million, two hundred forty-three thousand, five hundred twelve".