30001143222 has 96 divisors (see below), whose sum is σ = 69327947520. Its totient is φ = 9349473600.

The previous prime is 30001143209. The next prime is 30001143287. The reversal of 30001143222 is 22234110003.

30001143222 is a `hidden beast` number, since 300 + 0 + 1 + 143 + 222 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 30001143195 and 30001143204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11984823 + ... + 11987325.

It is an arithmetic number, because the mean of its divisors is an integer number (722166120).

Almost surely, 2^30001143222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30001143222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34663973760).

30001143222 is an abundant number, since it is smaller than the sum of its proper divisors (39326804298).

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

30001143222 is a wasteful number, since it uses less digits than its factorization.

30001143222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978 (or 2975 counting only the distinct ones).

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

Adding to 30001143222 its reverse (22234110003), we get a palindrome (52235253225).

The spelling of 30001143222 in words is "thirty billion, one million, one hundred forty-three thousand, two hundred twenty-two".