222916764 has 48 divisors (see below), whose sum is σ = 598266368. Its totient is φ = 63281088.

The previous prime is 222916751. The next prime is 222916769. The reversal of 222916764 is 467619222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222916769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4737 + ... + 21639.

Almost surely, 2^222916764 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 222916764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299133184).

222916764 is an abundant number, since it is smaller than the sum of its proper divisors (375349604).

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

222916764 is a wasteful number, since it uses less digits than its factorization.

222916764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17074 (or 17072 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 222916764 is about 14930.3973155439. The cubic root of 222916764 is about 606.3372410817.

The spelling of 222916764 in words is "two hundred twenty-two million, nine hundred sixteen thousand, seven hundred sixty-four".