222816282 has 64 divisors (see below), whose sum is σ = 507150336. Its totient is φ = 64774080.

The previous prime is 222816281. The next prime is 222816283. The reversal of 222816282 is 282618222.

222816282 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222816281) and next prime (222816283).

It is a super-3 number, since 3×222816282³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (222816281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102903 + ... + 105045.

It is an arithmetic number, because the mean of its divisors is an integer number (7924224).

Almost surely, 2^222816282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222816282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253575168).

222816282 is an abundant number, since it is smaller than the sum of its proper divisors (284334054).

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

222816282 is a wasteful number, since it uses less digits than its factorization.

222816282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235.

The product of its digits is 12288, while the sum is 33.

The square root of 222816282 is about 14927.0319219864. The cubic root of 222816282 is about 606.2461231622.

The spelling of 222816282 in words is "two hundred twenty-two million, eight hundred sixteen thousand, two hundred eighty-two".