222394542084 has 288 divisors, whose sum is σ = 697738769280. Its totient is φ = 60688742400.

The previous prime is 222394542067. The next prime is 222394542089. The reversal of 222394542084 is 480245493222.

222394542084 is a `hidden beast` number, since 2 + 2 + 2 + 394 + 54 + 208 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (222394542089) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8218144 + ... + 8245160.

It is an arithmetic number, because the mean of its divisors is an integer number (2422704060).

Almost surely, 2^222394542084 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 222394542084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348869384640).

222394542084 is an abundant number, since it is smaller than the sum of its proper divisors (475344227196).

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

222394542084 is a wasteful number, since it uses less digits than its factorization.

222394542084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27108 (or 27087 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 222394542084 in words is "two hundred twenty-two billion, three hundred ninety-four million, five hundred forty-two thousand, eighty-four".