30222302220 has 288 divisors, whose sum is σ = 105797712384. Its totient is φ = 6911308800.

The previous prime is 30222302203. The next prime is 30222302233. The reversal of 30222302220 is 2220322203.

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 = 30222302193 and 30222302202.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3319875 + ... + 3328965.

It is an arithmetic number, because the mean of its divisors is an integer number (367353168).

Almost surely, 2^30222302220 is an apocalyptic number.

30222302220 is a gapful number since it is divisible by the number (30) 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 30222302220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52898856192).

30222302220 is an abundant number, since it is smaller than the sum of its proper divisors (75575410164).

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

30222302220 is a wasteful number, since it uses less digits than its factorization.

30222302220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9213 (or 9208 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 30222302220 its reverse (2220322203), we get a palindrome (32442624423).

The spelling of 30222302220 in words is "thirty billion, two hundred twenty-two million, three hundred two thousand, two hundred twenty".