222312301002 has 64 divisors (see below), whose sum is σ = 539571957120. Its totient is φ = 67288233600.

The previous prime is 222312300989. The next prime is 222312301031. The reversal of 222312301002 is 200103213222.

222312301002 is a `hidden beast` number, since 222 + 312 + 30 + 100 + 2 = 666.

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

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 287302 + ... + 726062.

It is an arithmetic number, because the mean of its divisors is an integer number (8430811830).

Almost surely, 2^222312301002 is an apocalyptic number.

222312301002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 222312301002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269785978560).

222312301002 is an abundant number, since it is smaller than the sum of its proper divisors (317259656118).

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

222312301002 is a wasteful number, since it uses less digits than its factorization.

222312301002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439636 (or 439630 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 222312301002 its reverse (200103213222), we get a palindrome (422415514224).

The spelling of 222312301002 in words is "two hundred twenty-two billion, three hundred twelve million, three hundred one thousand, two".