22255030443500 has 96 divisors (see below), whose sum is σ = 48685900798080. Its totient is φ = 8887200288000.

The previous prime is 22255030443479. The next prime is 22255030443511. The reversal of 22255030443500 is 534403055222.

It is a super-2 number, since 2×22255030443500² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1609294586 + ... + 1609308414.

It is an arithmetic number, because the mean of its divisors is an integer number (507144799980).

Almost surely, 2^{22255030443500} is an apocalyptic number.

22255030443500 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 22255030443500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24342950399040).

22255030443500 is an abundant number, since it is smaller than the sum of its proper divisors (26430870354580).

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

22255030443500 is a wasteful number, since it uses less digits than its factorization.

22255030443500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18972 (or 18960 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 22255030443500 its reverse (534403055222), we get a palindrome (22789433498722).

The spelling of 22255030443500 in words is "twenty-two trillion, two hundred fifty-five billion, thirty million, four hundred forty-three thousand, five hundred".