222615403056 has 160 divisors (see below), whose sum is σ = 642839659200. Its totient is φ = 73759057920.

The previous prime is 222615403009. The next prime is 222615403063. The reversal of 222615403056 is 650304516222.

222615403056 is a `hidden beast` number, since 2 + 2 + 2 + 61 + 540 + 3 + 0 + 56 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 222615403056.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75282730 + ... + 75285686.

It is an arithmetic number, because the mean of its divisors is an integer number (4017747870).

Almost surely, 2^222615403056 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 222615403056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321419829600).

222615403056 is an abundant number, since it is smaller than the sum of its proper divisors (420224256144).

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

222615403056 is a wasteful number, since it uses less digits than its factorization.

222615403056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964 (or 3952 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 222615403056 its reverse (650304516222), we get a palindrome (872919919278).

The spelling of 222615403056 in words is "two hundred twenty-two billion, six hundred fifteen million, four hundred three thousand, fifty-six".