222121412344 has 64 divisors (see below), whose sum is σ = 474985123200. Its totient is φ = 96469346304.

The previous prime is 222121412297. The next prime is 222121412351. The reversal of 222121412344 is 443214121222.

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, 15333697 + ... + 15348175.

It is an arithmetic number, because the mean of its divisors is an integer number (7421642550).

Almost surely, 2^222121412344 is an apocalyptic number.

It is an amenable number.

222121412344 is an abundant number, since it is smaller than the sum of its proper divisors (252863710856).

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

222121412344 is a wasteful number, since it uses less digits than its factorization.

222121412344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23192 (or 23188 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

Adding to 222121412344 its reverse (443214121222), we get a palindrome (665335533566).

The spelling of 222121412344 in words is "two hundred twenty-two billion, one hundred twenty-one million, four hundred twelve thousand, three hundred forty-four".