222444442134 has 64 divisors (see below), whose sum is σ = 499355450880. Its totient is φ = 73393659360.

The previous prime is 222444442027. The next prime is 222444442141. The reversal of 222444442134 is 431244444222.

222444442134 is a `hidden beast` number, since 2 + 224 + 4 + 4 + 4 + 421 + 3 + 4 = 666.

222444442134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13546389 + ... + 13562799.

It is an arithmetic number, because the mean of its divisors is an integer number (7802428920).

Almost surely, 2^222444442134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222444442134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249677725440).

222444442134 is an abundant number, since it is smaller than the sum of its proper divisors (276911008746).

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

222444442134 is a wasteful number, since it uses less digits than its factorization.

222444442134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18962 (or 18956 counting only the distinct ones).

The product of its digits is 196608, while the sum is 36.

Adding to 222444442134 its reverse (431244444222), we get a palindrome (653688886356).

The spelling of 222444442134 in words is "two hundred twenty-two billion, four hundred forty-four million, four hundred forty-two thousand, one hundred thirty-four".