222984684 has 144 divisors (see below), whose sum is σ = 659971200. Its totient is φ = 64898496.

The previous prime is 222984661. The next prime is 222984709. The reversal of 222984684 is 486489222.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 346467 + ... + 347109.

Almost surely, 2^222984684 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 222984684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329985600).

222984684 is an abundant number, since it is smaller than the sum of its proper divisors (436986516).

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

222984684 is a wasteful number, since it uses less digits than its factorization.

222984684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 680 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 222984684 is about 14932.6716966523. The cubic root of 222984684 is about 606.3988159985.

It can be divided in two parts, 222 and 984684, that added together give a triangular number (984906 = T₁₄₀₃).

The spelling of 222984684 in words is "two hundred twenty-two million, nine hundred eighty-four thousand, six hundred eighty-four".