222066636663306 has 16 divisors (see below), whose sum is σ = 444265416560448. Its totient is φ = 74000188348800.

The previous prime is 222066636663257. The next prime is 222066636663433. The reversal of 222066636663306 is 603366636660222.

It is a happy number.

It is a super-2 number, since 2×222066636663306² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5505946230 + ... + 5505986561.

It is an arithmetic number, because the mean of its divisors is an integer number (27766588535028).

Almost surely, 2^{222066636663306} is an apocalyptic number.

222066636663306 is an abundant number, since it is smaller than the sum of its proper divisors (222198779897142).

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

222066636663306 is a wasteful number, since it uses less digits than its factorization.

222066636663306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11011936157.

The product of its (nonzero) digits is 60466176, while the sum is 57.

The spelling of 222066636663306 in words is "two hundred twenty-two trillion, sixty-six billion, six hundred thirty-six million, six hundred sixty-three thousand, three hundred six".