22313030320 has 80 divisors (see below), whose sum is σ = 59644182528. Its totient is φ = 7604340480.

The previous prime is 22313030317. The next prime is 22313030371. The reversal of 22313030320 is 2303031322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×22313030320³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25776 + ... + 212815.

Almost surely, 2^22313030320 is an apocalyptic number.

22313030320 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 22313030320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29822091264).

22313030320 is an abundant number, since it is smaller than the sum of its proper divisors (37331152208).

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

22313030320 is a wasteful number, since it uses less digits than its factorization.

22313030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238778 (or 238772 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 22313030320 its reverse (2303031322), we get a palindrome (24616061642).

The spelling of 22313030320 in words is "twenty-two billion, three hundred thirteen million, thirty thousand, three hundred twenty".