22430334520 has 128 divisors (see below), whose sum is σ = 56789683200. Its totient is φ = 7903168000.

The previous prime is 22430334517. The next prime is 22430334529. The reversal of 22430334520 is 2543303422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22430334529) 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, 2083311 + ... + 2094049.

It is an arithmetic number, because the mean of its divisors is an integer number (443669400).

Almost surely, 2^22430334520 is an apocalyptic number.

22430334520 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 22430334520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28394841600).

22430334520 is an abundant number, since it is smaller than the sum of its proper divisors (34359348680).

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

22430334520 is a wasteful number, since it uses less digits than its factorization.

22430334520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10909 (or 10905 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 22430334520 its reverse (2543303422), we get a palindrome (24973637942).

The spelling of 22430334520 in words is "twenty-two billion, four hundred thirty million, three hundred thirty-four thousand, five hundred twenty".