30122300 has 144 divisors (see below), whose sum is σ = 78744960. Its totient is φ = 9891840.

The previous prime is 30122293. The next prime is 30122303. The reversal of 30122300 is 322103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30122303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 640877 + ... + 640923.

It is an arithmetic number, because the mean of its divisors is an integer number (546840).

Almost surely, 2^30122300 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 30122300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39372480).

30122300 is an abundant number, since it is smaller than the sum of its proper divisors (48622660).

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

30122300 is a wasteful number, since it uses less digits than its factorization.

30122300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 30122300 is about 5488.3786312535. The cubic root of 30122300 is about 311.1449164891.

Adding to 30122300 its reverse (322103), we get a palindrome (30444403).

The spelling of 30122300 in words is "thirty million, one hundred twenty-two thousand, three hundred".