222000556 has 6 divisors (see below), whose sum is σ = 388500980. Its totient is φ = 111000276.

The previous prime is 222000553. The next prime is 222000557. The reversal of 222000556 is 655000222.

It is not an unprimeable number, because it can be changed into a prime (222000553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27750066 + ... + 27750073.

Almost surely, 2^222000556 is an apocalyptic number.

It is an amenable number.

222000556 is a deficient number, since it is larger than the sum of its proper divisors (166500424).

222000556 is a wasteful number, since it uses less digits than its factorization.

222000556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55500143 (or 55500141 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 222000556 is about 14899.6830838780. The cubic root of 222000556 is about 605.5054001473.

Adding to 222000556 its reverse (655000222), we get a palindrome (877000778).

The spelling of 222000556 in words is "two hundred twenty-two million, five hundred fifty-six", and thus it is an aban number.