222209984 has 56 divisors (see below), whose sum is σ = 465051648. Its totient is φ = 105189120.

The previous prime is 222209983. The next prime is 222210013. The reversal of 222209984 is 489902222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222209983) 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, 92057 + ... + 94439.

Almost surely, 2^222209984 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 222209984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232525824).

222209984 is an abundant number, since it is smaller than the sum of its proper divisors (242841664).

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

222209984 is a wasteful number, since it uses less digits than its factorization.

222209984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473 (or 2463 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 222209984 is about 14906.7093618947. The cubic root of 222209984 is about 605.6957449104.

The spelling of 222209984 in words is "two hundred twenty-two million, two hundred nine thousand, nine hundred eighty-four".