222444466668 has 18 divisors (see below), whose sum is σ = 562290179724. Its totient is φ = 74148155544.

The previous prime is 222444466619. The next prime is 222444466669. The reversal of 222444466668 is 866664444222.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×222444466668³ (a number of 35 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (222444466669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3089506446 + ... + 3089506517.

It is an arithmetic number, because the mean of its divisors is an integer number (31238343318).

Almost surely, 2^222444466668 is an apocalyptic number.

It is an amenable number.

222444466668 is an abundant number, since it is smaller than the sum of its proper divisors (339845713056).

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

222444466668 is a wasteful number, since it uses less digits than its factorization.

222444466668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6179012973 (or 6179012968 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 54.

The spelling of 222444466668 in words is "two hundred twenty-two billion, four hundred forty-four million, four hundred sixty-six thousand, six hundred sixty-eight".