222122011985 has 32 divisors (see below), whose sum is σ = 289679846400. Its totient is φ = 162863281152.

The previous prime is 222122011981. The next prime is 222122012017. The reversal of 222122011985 is 589110221222.

It is a happy number.

It is not a de Polignac number, because 222122011985 - 2² = 222122011981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222122011981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 655307 + ... + 934703.

It is an arithmetic number, because the mean of its divisors is an integer number (9052495200).

Almost surely, 2^222122011985 is an apocalyptic number.

It is an amenable number.

222122011985 is a deficient number, since it is larger than the sum of its proper divisors (67557834415).

222122011985 is a wasteful number, since it uses less digits than its factorization.

222122011985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279665.

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

The spelling of 222122011985 in words is "two hundred twenty-two billion, one hundred twenty-two million, eleven thousand, nine hundred eighty-five".