222444566667 has 12 divisors (see below), whose sum is σ = 323838810880. Its totient is φ = 147128689008.

The previous prime is 222444566647. The next prime is 222444566681. The reversal of 222444566667 is 766665444222.

It is not a de Polignac number, because 222444566667 - 2²³ = 222436178059 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (222444566647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97306192 + ... + 97308477.

Almost surely, 2^222444566667 is an apocalyptic number.

222444566667 is a deficient number, since it is larger than the sum of its proper divisors (101394244213).

222444566667 is a wasteful number, since it uses less digits than its factorization.

222444566667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194614802 (or 194614799 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 54.

The spelling of 222444566667 in words is "two hundred twenty-two billion, four hundred forty-four million, five hundred sixty-six thousand, six hundred sixty-seven".