222466446778 has 8 divisors (see below), whose sum is σ = 339355596960. Its totient is φ = 109347914460.

The previous prime is 222466446743. The next prime is 222466446779. The reversal of 222466446778 is 877644664222.

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

It is not an unprimeable number, because it can be changed into a prime (222466446779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942654318 + ... + 942654553.

It is an arithmetic number, because the mean of its divisors is an integer number (42419449620).

Almost surely, 2^222466446778 is an apocalyptic number.

222466446778 is a deficient number, since it is larger than the sum of its proper divisors (116889150182).

222466446778 is a wasteful number, since it uses less digits than its factorization.

222466446778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885308932.

The product of its digits is 43352064, while the sum is 58.

The spelling of 222466446778 in words is "two hundred twenty-two billion, four hundred sixty-six million, four hundred forty-six thousand, seven hundred seventy-eight".