222221233011204 has 576 divisors, whose sum is σ = 685276103296512. Its totient is φ = 61645042483200.

The previous prime is 222221233011181. The next prime is 222221233011223. The reversal of 222221233011204 is 402110332122222.

222221233011204 is a `hidden beast` number, since 2 + 2 + 2 + 2 + 212 + 330 + 112 + 0 + 4 = 666.

222221233011204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 105168590052 + ... + 105168592164.

It is an arithmetic number, because the mean of its divisors is an integer number (1189715457112).

Almost surely, 2^{222221233011204} 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 222221233011204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342638051648256).

222221233011204 is an abundant number, since it is smaller than the sum of its proper divisors (463054870285308).

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

222221233011204 is a wasteful number, since it uses less digits than its factorization.

222221233011204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818 (or 3804 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 222221233011204 its reverse (402110332122222), we get a palindrome (624331565133426).

The spelling of 222221233011204 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred thirty-three million, eleven thousand, two hundred four".