222204603365978 has 8 divisors (see below), whose sum is σ = 333307360768980. Its totient is φ = 111102149776320.

The previous prime is 222204603365947. The next prime is 222204603365999. The reversal of 222204603365978 is 879563306402222.

It can be written as a sum of positive squares in 2 ways, for example, as 156833869428889 + 65370733937089 = 12523333^2 + 8085217^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74115983 + ... + 77055746.

Almost surely, 2^{222204603365978} is an apocalyptic number.

222204603365978 is a deficient number, since it is larger than the sum of its proper divisors (111102757403002).

222204603365978 is a wasteful number, since it uses less digits than its factorization.

222204603365978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151906672.

The product of its (nonzero) digits is 52254720, while the sum is 59.

The spelling of 222204603365978 in words is "two hundred twenty-two trillion, two hundred four billion, six hundred three million, three hundred sixty-five thousand, nine hundred seventy-eight".