222289056 has 192 divisors, whose sum is σ = 745113600. Its totient is φ = 63763200.

The previous prime is 222289033. The next prime is 222289061. The reversal of 222289056 is 650982222.

It is a super-2 number, since 2×222289056² = 98824848834742272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 222289056.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179961 + ... + 181191.

It is an arithmetic number, because the mean of its divisors is an integer number (3880800).

Almost surely, 2^222289056 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 222289056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372556800).

222289056 is an abundant number, since it is smaller than the sum of its proper divisors (522824544).

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

222289056 is a wasteful number, since it uses less digits than its factorization.

222289056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280 (or 1266 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 222289056 is about 14909.3613545316. The cubic root of 222289056 is about 605.7675807079.

The spelling of 222289056 in words is "two hundred twenty-two million, two hundred eighty-nine thousand, fifty-six".