222211201985 has 8 divisors (see below), whose sum is σ = 267637405056. Its totient is φ = 177112986480.

The previous prime is 222211201973. The next prime is 222211201991. The reversal of 222211201985 is 589102112222.

It is a happy number.

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

It is not a de Polignac number, because 222211201985 - 2⁶ = 222211201921 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81995399 + ... + 81998108.

It is an arithmetic number, because the mean of its divisors is an integer number (33454675632).

Almost surely, 2^222211201985 is an apocalyptic number.

It is an amenable number.

222211201985 is a deficient number, since it is larger than the sum of its proper divisors (45426203071).

222211201985 is a wasteful number, since it uses less digits than its factorization.

222211201985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163993783.

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 222211201985 in words is "two hundred twenty-two billion, two hundred eleven million, two hundred one thousand, nine hundred eighty-five".