222021302112 has 72 divisors (see below), whose sum is σ = 631437206400. Its totient is φ = 73999584000.

The previous prime is 222021302089. The next prime is 222021302117. The reversal of 222021302112 is 211203120222.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222021302117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3292737 + ... + 3359487.

It is an arithmetic number, because the mean of its divisors is an integer number (8769961200).

Almost surely, 2^222021302112 is an apocalyptic number.

It is an amenable number.

222021302112 is an abundant number, since it is smaller than the sum of its proper divisors (409415904288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222021302112 is a wasteful number, since it uses less digits than its factorization.

222021302112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78316 (or 78305 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222021302112 its reverse (211203120222), we get a palindrome (433224422334).

The spelling of 222021302112 in words is "two hundred twenty-two billion, twenty-one million, three hundred two thousand, one hundred twelve".