222144243222 has 32 divisors (see below), whose sum is σ = 501391399680. Its totient is φ = 64995180320.

The previous prime is 222144243151. The next prime is 222144243239. The reversal of 222144243222 is 222342441222.

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 222144243222.

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, 58029498 + ... + 58033325.

It is an arithmetic number, because the mean of its divisors is an integer number (15668481240).

Almost surely, 2^222144243222 is an apocalyptic number.

222144243222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222144243222 is an abundant number, since it is smaller than the sum of its proper divisors (279247156458).

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

222144243222 is a wasteful number, since it uses less digits than its factorization.

222144243222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116062868.

The product of its digits is 24576, while the sum is 30.

Adding to 222144243222 its reverse (222342441222), we get a palindrome (444486684444).

The spelling of 222144243222 in words is "two hundred twenty-two billion, one hundred forty-four million, two hundred forty-three thousand, two hundred twenty-two".