222048478418 has 90 divisors (see below), whose sum is σ = 386138816757. Its totient is φ = 95722557840.

The previous prime is 222048478391. The next prime is 222048478439. The reversal of 222048478418 is 814874840222.

It is a happy number.

222048478418 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 189858018529 + 32190459889 = 435727^2 + 179417^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=333203.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3127443323 + ... + 3127443393.

Almost surely, 2^222048478418 is an apocalyptic number.

222048478418 is a deficient number, since it is larger than the sum of its proper divisors (164090338339).

222048478418 is an frugal number, since it uses more digits than its factorization.

222048478418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 1835008, while the sum is 50.

Multiplying 222048478418 by its sum of digits (50), we get a square (11102423920900 = 3332030²).

The spelling of 222048478418 in words is "two hundred twenty-two billion, forty-eight million, four hundred seventy-eight thousand, four hundred eighteen".