222448736 has 48 divisors (see below), whose sum is σ = 455051520. Its totient is φ = 106951680.

The previous prime is 222448729. The next prime is 222448741. The reversal of 222448736 is 637844222.

222448736 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 222448736.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104321 + ... + 106431.

It is an arithmetic number, because the mean of its divisors is an integer number (9480240).

Almost surely, 2^222448736 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 222448736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227525760).

222448736 is an abundant number, since it is smaller than the sum of its proper divisors (232602784).

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

222448736 is a wasteful number, since it uses less digits than its factorization.

222448736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247 (or 2239 counting only the distinct ones).

The product of its digits is 129024, while the sum is 38.

The square root of 222448736 is about 14914.7154180025. The cubic root of 222448736 is about 605.9125958167.

The spelling of 222448736 in words is "two hundred twenty-two million, four hundred forty-eight thousand, seven hundred thirty-six".