30221322222 has 96 divisors (see below), whose sum is σ = 78162223104. Its totient is φ = 7713316800.

The previous prime is 30221322217. The next prime is 30221322251. The reversal of 30221322222 is 22222312203.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 9054 + ... + 246017.

It is an arithmetic number, because the mean of its divisors is an integer number (814189824).

Almost surely, 2^30221322222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30221322222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39081111552).

30221322222 is an abundant number, since it is smaller than the sum of its proper divisors (47940900882).

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

30221322222 is a wasteful number, since it uses less digits than its factorization.

30221322222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255134 (or 255127 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 30221322222 its reverse (22222312203), we get a palindrome (52443634425).

The spelling of 30221322222 in words is "thirty billion, two hundred twenty-one million, three hundred twenty-two thousand, two hundred twenty-two".