225441340000 has 120 divisors (see below), whose sum is σ = 557052748560. Its totient is φ = 89780928000.

The previous prime is 225441339989. The next prime is 225441340001. The reversal of 225441340000 is 43144522.

It is a happy number.

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 (225441340001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4555389 + ... + 4604611.

It is an arithmetic number, because the mean of its divisors is an integer number (4642106238).

Almost surely, 2^225441340000 is an apocalyptic number.

225441340000 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 225441340000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278526374280).

225441340000 is an abundant number, since it is smaller than the sum of its proper divisors (331611408560).

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

225441340000 is an equidigital number, since it uses as much as digits as its factorization.

225441340000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49482 (or 49459 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 225441340000 its reverse (43144522), we get a palindrome (225484484522).

The spelling of 225441340000 in words is "two hundred twenty-five billion, four hundred forty-one million, three hundred forty thousand".