222226056 has 96 divisors (see below), whose sum is σ = 653267160. Its totient is φ = 67838976.

The previous prime is 222226019. The next prime is 222226061. The reversal of 222226056 is 650622222.

It can be written as a sum of positive squares in 4 ways, for example, as 157101156 + 65124900 = 12534^2 + 8070^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127366 + ... + 129098.

Almost surely, 2^222226056 is an apocalyptic number.

222226056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222226056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326633580).

222226056 is an abundant number, since it is smaller than the sum of its proper divisors (431041104).

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

222226056 is a wasteful number, since it uses less digits than its factorization.

222226056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895 (or 1888 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 222226056 is about 14907.2484382598. The cubic root of 222226056 is about 605.7103474756.

Adding to 222226056 its reverse (650622222), we get a palindrome (872848278).

The spelling of 222226056 in words is "two hundred twenty-two million, two hundred twenty-six thousand, fifty-six".