222143143412344 has 128 divisors (see below), whose sum is σ = 519866968320000. Its totient is φ = 86454091975680.

The previous prime is 222143143412233. The next prime is 222143143412371. The reversal of 222143143412344 is 443214341341222.

It is a junction number, because it is equal to n+sod(n) for n = 222143143412297 and 222143143412306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3504411402 + ... + 3504474790.

It is an arithmetic number, because the mean of its divisors is an integer number (4061460690000).

Almost surely, 2^{222143143412344} 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 222143143412344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259933484160000).

222143143412344 is an abundant number, since it is smaller than the sum of its proper divisors (297723824907656).

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

222143143412344 is a wasteful number, since it uses less digits than its factorization.

222143143412344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69581 (or 69577 counting only the distinct ones).

The product of its digits is 442368, while the sum is 40.

Adding to 222143143412344 its reverse (443214341341222), we get a palindrome (665357484753566).

The spelling of 222143143412344 in words is "two hundred twenty-two trillion, one hundred forty-three billion, one hundred forty-three million, four hundred twelve thousand, three hundred forty-four".