222660664446 has 16 divisors (see below), whose sum is σ = 485805086208. Its totient is φ = 67472928600.

The previous prime is 222660664439. The next prime is 222660664459. The reversal of 222660664446 is 644466066222.

It is a junction number, because it is equal to n+sod(n) for n = 222660664395 and 222660664404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1686823150 + ... + 1686823281.

It is an arithmetic number, because the mean of its divisors is an integer number (30362817888).

Almost surely, 2^222660664446 is an apocalyptic number.

222660664446 is an abundant number, since it is smaller than the sum of its proper divisors (263144421762).

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

222660664446 is a wasteful number, since it uses less digits than its factorization.

222660664446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373646447.

The product of its (nonzero) digits is 3981312, while the sum is 48.

The spelling of 222660664446 in words is "two hundred twenty-two billion, six hundred sixty million, six hundred sixty-four thousand, four hundred forty-six".