222444444222 has 192 divisors, whose sum is σ = 664602591744. Its totient is φ = 51891736320.

The previous prime is 222444444169. The next prime is 222444444241.

222444444222 is a `hidden beast` number, since 2 + 224 + 4 + 4 + 4 + 4 + 422 + 2 = 666.

222444444222 is nontrivially palindromic in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 499833 + ... + 833499.

It is an arithmetic number, because the mean of its divisors is an integer number (3461471832).

Almost surely, 2^222444444222 is an apocalyptic number.

222444444222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 222444444222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332301295872).

222444444222 is an abundant number, since it is smaller than the sum of its proper divisors (442158147522).

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

222444444222 is a wasteful number, since it uses less digits than its factorization.

222444444222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333743 (or 333740 counting only the distinct ones).

The product of its digits is 262144, while the sum is 36.

It can be divided in two parts, 222444 and 444222, that added together give a palindrome (666666).

The spelling of 222444444222 in words is "two hundred twenty-two billion, four hundred forty-four million, four hundred forty-four thousand, two hundred twenty-two".