222085080405818 has 32 divisors (see below), whose sum is σ = 382056166195200. Its totient is φ = 94845111009264.

The previous prime is 222085080405817. The next prime is 222085080405857. The reversal of 222085080405818 is 818504080580222.

It is a self number, because there is not a number n which added to its sum of digits gives 222085080405818.

It is not an unprimeable number, because it can be changed into a prime (222085080405817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16138298 + ... + 26544581.

It is an arithmetic number, because the mean of its divisors is an integer number (11939255193600).

Almost surely, 2^{222085080405818} is an apocalyptic number.

222085080405818 is a deficient number, since it is larger than the sum of its proper divisors (159971085789382).

222085080405818 is a wasteful number, since it uses less digits than its factorization.

222085080405818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42684194.

The product of its (nonzero) digits is 3276800, while the sum is 53.

The spelling of 222085080405818 in words is "two hundred twenty-two trillion, eighty-five billion, eighty million, four hundred five thousand, eight hundred eighteen".