22231155000 has 160 divisors (see below), whose sum is σ = 73536273360. Its totient is φ = 5579520000.

The previous prime is 22231154993. The next prime is 22231155077. The reversal of 22231155000 is 55113222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 211410 + ... + 298590.

Almost surely, 2^22231155000 is an apocalyptic number.

22231155000 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 22231155000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36768136680).

22231155000 is an abundant number, since it is smaller than the sum of its proper divisors (51305118360).

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

22231155000 is a wasteful number, since it uses less digits than its factorization.

22231155000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87227 (or 87208 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 22231155000 its reverse (55113222), we get a palindrome (22286268222).

The spelling of 22231155000 in words is "twenty-two billion, two hundred thirty-one million, one hundred fifty-five thousand".