222146074608 has 80 divisors (see below), whose sum is σ = 583426944000. Its totient is φ = 72817079040.

The previous prime is 222146074561. The next prime is 222146074621. The reversal of 222146074608 is 806470641222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 222146074608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18144553 + ... + 18156791.

It is an arithmetic number, because the mean of its divisors is an integer number (7292836800).

Almost surely, 2^222146074608 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 222146074608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291713472000).

222146074608 is an abundant number, since it is smaller than the sum of its proper divisors (361280869392).

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

222146074608 is a wasteful number, since it uses less digits than its factorization.

222146074608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18510 (or 18504 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 222146074608 in words is "two hundred twenty-two billion, one hundred forty-six million, seventy-four thousand, six hundred eight".