222066555 has 16 divisors (see below), whose sum is σ = 362011680. Its totient is φ = 116200448.

The previous prime is 222066527. The next prime is 222066569. The reversal of 222066555 is 555660222.

It is a cyclic number.

It is not a de Polignac number, because 222066555 - 2¹⁰ = 222065531 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138870 + ... + 140459.

It is an arithmetic number, because the mean of its divisors is an integer number (22625730).

Almost surely, 2^222066555 is an apocalyptic number.

222066555 is a deficient number, since it is larger than the sum of its proper divisors (139945125).

222066555 is a wasteful number, since it uses less digits than its factorization.

222066555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279390.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 222066555 is about 14901.8976979444. The cubic root of 222066555 is about 605.5653981822.

The spelling of 222066555 in words is "two hundred twenty-two million, sixty-six thousand, five hundred fifty-five".