222544152312 has 64 divisors (see below), whose sum is σ = 567023232000. Its totient is φ = 72766304640.

The previous prime is 222544152287. The next prime is 222544152317. The reversal of 222544152312 is 213251445222.

222544152312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222544152317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330189 + ... + 744387.

It is an arithmetic number, because the mean of its divisors is an integer number (8859738000).

Almost surely, 2^222544152312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222544152312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283511616000).

222544152312 is an abundant number, since it is smaller than the sum of its proper divisors (344479079688).

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

222544152312 is a wasteful number, since it uses less digits than its factorization.

222544152312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414636 (or 414632 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

Adding to 222544152312 its reverse (213251445222), we get a palindrome (435795597534).

The spelling of 222544152312 in words is "two hundred twenty-two billion, five hundred forty-four million, one hundred fifty-two thousand, three hundred twelve".