225230000000 has 256 divisors, whose sum is σ = 568967293440. Its totient is φ = 88800000000.

The previous prime is 225229999963. The next prime is 225230000003. The reversal of 225230000000 is 32522.

It is a self number, because there is not a number n which added to its sum of digits gives 225230000000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225230000003) 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, 1009999889 + ... + 1010000111.

It is an arithmetic number, because the mean of its divisors is an integer number (2222528490).

Almost surely, 2^225230000000 is an apocalyptic number.

225230000000 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 225230000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284483646720).

225230000000 is an abundant number, since it is smaller than the sum of its proper divisors (343737293440).

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

225230000000 is an frugal number, since it uses more digits than its factorization.

225230000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

Adding to 225230000000 its reverse (32522), we get a palindrome (225230032522).

The spelling of 225230000000 in words is "two hundred twenty-five billion, two hundred thirty million", and thus it is an aban number.