22231523000500 has 48 divisors (see below), whose sum is σ = 52967614085568. Its totient is φ = 8084190180000.

The previous prime is 22231523000497. The next prime is 22231523000501. The reversal of 22231523000500 is 500032513222.

It is a super-2 number, since 2×22231523000500² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231523000501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2021042046 + ... + 2021053045.

It is an arithmetic number, because the mean of its divisors is an integer number (1103491960116).

Almost surely, 2^{22231523000500} is an apocalyptic number.

22231523000500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22231523000500 is an abundant number, since it is smaller than the sum of its proper divisors (30736091085068).

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

22231523000500 is a wasteful number, since it uses less digits than its factorization.

22231523000500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4042095121 (or 4042095109 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 22231523000500 its reverse (500032513222), we get a palindrome (22731555513722).

The spelling of 22231523000500 in words is "twenty-two trillion, two hundred thirty-one billion, five hundred twenty-three million, five hundred", and thus it is an aban number.