128225226000 has 160 divisors (see below), whose sum is σ = 423012889728. Its totient is φ = 33398131200.

The previous prime is 128225225923. The next prime is 128225226037. The reversal of 128225226000 is 622522821.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9502 + ... + 506498.

Almost surely, 2^128225226000 is an apocalyptic number.

128225226000 is a gapful number since it is divisible by the number (10) 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 128225226000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211506444864).

128225226000 is an abundant number, since it is smaller than the sum of its proper divisors (294787663728).

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

128225226000 is a wasteful number, since it uses less digits than its factorization.

128225226000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497066 (or 497050 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 128225226000 its reverse (622522821), we get a palindrome (128847748821).

The spelling of 128225226000 in words is "one hundred twenty-eight billion, two hundred twenty-five million, two hundred twenty-six thousand".