30302221000 has 128 divisors (see below), whose sum is σ = 74082677760. Its totient is φ = 11587584000.

The previous prime is 30302220997. The next prime is 30302221009. The reversal of 30302221000 is 12220303.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30302221009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2567112 + ... + 2578888.

It is an arithmetic number, because the mean of its divisors is an integer number (578770920).

Almost surely, 2^30302221000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30302221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37041338880).

30302221000 is an abundant number, since it is smaller than the sum of its proper divisors (43780456760).

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

30302221000 is a wasteful number, since it uses less digits than its factorization.

30302221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11912 (or 11898 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 30302221000 its reverse (12220303), we get a palindrome (30314441303).

The spelling of 30302221000 in words is "thirty billion, three hundred two million, two hundred twenty-one thousand".