222020344 has 64 divisors (see below), whose sum is σ = 515773440. Its totient is φ = 87246720.

The previous prime is 222020329. The next prime is 222020353. The reversal of 222020344 is 443020222.

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, 117729 + ... + 119599.

It is an arithmetic number, because the mean of its divisors is an integer number (8058960).

Almost surely, 2^222020344 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 222020344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257886720).

222020344 is an abundant number, since it is smaller than the sum of its proper divisors (293753096).

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

222020344 is a wasteful number, since it uses less digits than its factorization.

222020344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060 (or 2056 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 222020344 is about 14900.3471100508. The cubic root of 222020344 is about 605.5233901696.

Adding to 222020344 its reverse (443020222), we get a palindrome (665040566).

The spelling of 222020344 in words is "two hundred twenty-two million, twenty thousand, three hundred forty-four".