30221022900 has 72 divisors (see below), whose sum is σ = 87548014624. Its totient is φ = 8048937600.

The previous prime is 30221022883. The next prime is 30221022901. The reversal of 30221022900 is 922012203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221022901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181194 + ... + 305406.

Almost surely, 2^30221022900 is an apocalyptic number.

30221022900 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 30221022900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43774007312).

30221022900 is an abundant number, since it is smaller than the sum of its proper divisors (57326991724).

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

30221022900 is a wasteful number, since it uses less digits than its factorization.

30221022900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125041 (or 125034 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The spelling of 30221022900 in words is "thirty billion, two hundred twenty-one million, twenty-two thousand, nine hundred".