222355325412 has 216 divisors, whose sum is σ = 643229391168. Its totient is φ = 64224758400.

The previous prime is 222355325347. The next prime is 222355325419. The reversal of 222355325412 is 214523553222.

It is a happy number.

222355325412 is a `hidden beast` number, since 2 + 2 + 235 + 5 + 3 + 2 + 5 + 412 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (222355325419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 65147818 + ... + 65151230.

It is an arithmetic number, because the mean of its divisors is an integer number (2977913848).

Almost surely, 2^222355325412 is an apocalyptic number.

222355325412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222355325412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321614695584).

222355325412 is an abundant number, since it is smaller than the sum of its proper divisors (420874065756).

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

222355325412 is a wasteful number, since it uses less digits than its factorization.

222355325412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3791 (or 3763 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

Adding to 222355325412 its reverse (214523553222), we get a palindrome (436878878634).

The spelling of 222355325412 in words is "two hundred twenty-two billion, three hundred fifty-five million, three hundred twenty-five thousand, four hundred twelve".