222005344 has 48 divisors (see below), whose sum is σ = 478968336. Its totient is φ = 100454400.

The previous prime is 222005339. The next prime is 222005347. The reversal of 222005344 is 443500222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222005347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83524 + ... + 86140.

It is an arithmetic number, because the mean of its divisors is an integer number (9978507).

Almost surely, 2^222005344 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 222005344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239484168).

222005344 is an abundant number, since it is smaller than the sum of its proper divisors (256962992).

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

222005344 is a wasteful number, since it uses less digits than its factorization.

222005344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2879 (or 2871 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 222005344 is about 14899.8437575701. The cubic root of 222005344 is about 605.5097531979.

Adding to 222005344 its reverse (443500222), we get a palindrome (665505566).

The spelling of 222005344 in words is "two hundred twenty-two million, five thousand, three hundred forty-four".