22323022520 has 32 divisors (see below), whose sum is σ = 50452053120. Its totient is φ = 8889164160.

The previous prime is 22323022487. The next prime is 22323022523. The reversal of 22323022520 is 2522032322.

It is a super-3 number, since 3×22323022520³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22323022523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242371 + ... + 1260210.

It is an arithmetic number, because the mean of its divisors is an integer number (1576626660).

Almost surely, 2^22323022520 is an apocalyptic number.

22323022520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22323022520 is an abundant number, since it is smaller than the sum of its proper divisors (28129030600).

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

22323022520 is a wasteful number, since it uses less digits than its factorization.

22323022520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502815 (or 2502811 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

Adding to 22323022520 its reverse (2522032322), we get a palindrome (24845054842).

The spelling of 22323022520 in words is "twenty-two billion, three hundred twenty-three million, twenty-two thousand, five hundred twenty".