22021030300 has 144 divisors (see below), whose sum is σ = 51318090432. Its totient is φ = 8181606400.

The previous prime is 22021030289. The next prime is 22021030313. The reversal of 22021030300 is 303012022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 27629502 + ... + 27630298.

It is an arithmetic number, because the mean of its divisors is an integer number (356375628).

Almost surely, 2^22021030300 is an apocalyptic number.

22021030300 is a gapful number since it is divisible by the number (20) 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 22021030300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25659045216).

22021030300 is an abundant number, since it is smaller than the sum of its proper divisors (29297060132).

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

22021030300 is a wasteful number, since it uses less digits than its factorization.

22021030300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1161 counting only the distinct ones).

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

Adding to 22021030300 its reverse (303012022), we get a palindrome (22324042322).

The spelling of 22021030300 in words is "twenty-two billion, twenty-one million, thirty thousand, three hundred".