222031302312 has 32 divisors (see below), whose sum is σ = 555245697600. Its totient is φ = 73988108544.

The previous prime is 222031302301. The next prime is 222031302313. The reversal of 222031302312 is 213203130222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (222031302313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1314033 + ... + 1473344.

It is an arithmetic number, because the mean of its divisors is an integer number (17351428050).

Almost surely, 2^222031302312 is an apocalyptic number.

It is an amenable number.

222031302312 is an abundant number, since it is smaller than the sum of its proper divisors (333214395288).

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

222031302312 is a wasteful number, since it uses less digits than its factorization.

222031302312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790705 (or 2790701 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 222031302312 its reverse (213203130222), we get a palindrome (435234432534).

The spelling of 222031302312 in words is "two hundred twenty-two billion, thirty-one million, three hundred two thousand, three hundred twelve".