222444557679 has 8 divisors (see below), whose sum is σ = 296899461760. Its totient is φ = 148143012696.

The previous prime is 222444557653. The next prime is 222444557689. The reversal of 222444557679 is 976755444222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222444557679 - 2¹¹ = 222444555631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222444557689) by changing a digit.

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, 38336389 + ... + 38342190.

It is an arithmetic number, because the mean of its divisors is an integer number (37112432720).

Almost surely, 2^222444557679 is an apocalyptic number.

222444557679 is a deficient number, since it is larger than the sum of its proper divisors (74454904081).

222444557679 is an equidigital number, since it uses as much as digits as its factorization.

222444557679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76679549.

The product of its digits is 33868800, while the sum is 57.

The spelling of 222444557679 in words is "two hundred twenty-two billion, four hundred forty-four million, five hundred fifty-seven thousand, six hundred seventy-nine".