222285666464 has 24 divisors (see below), whose sum is σ = 437739320340. Its totient is φ = 111113775616.

The previous prime is 222285666451. The next prime is 222285666479. The reversal of 222285666464 is 464666582222.

It can be written as a sum of positive squares in 2 ways, for example, as 221362722064 + 922944400 = 470492^2 + 30380^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 783479 + ... + 1028790.

Almost surely, 2^222285666464 is an apocalyptic number.

It is an amenable number.

222285666464 is a deficient number, since it is larger than the sum of its proper divisors (215453653876).

222285666464 is a wasteful number, since it uses less digits than its factorization.

222285666464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816112 (or 1816104 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 53.

The spelling of 222285666464 in words is "two hundred twenty-two billion, two hundred eighty-five million, six hundred sixty-six thousand, four hundred sixty-four".