225432255420 has 72 divisors (see below), whose sum is σ = 702292578624. Its totient is φ = 58490529408.

The previous prime is 225432255403. The next prime is 225432255491. The reversal of 225432255420 is 24552234522.

225432255420 is a `hidden beast` number, since 2 + 2 + 5 + 4 + 3 + 225 + 5 + 420 = 666.

225432255420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16917684 + ... + 16931003.

It is an arithmetic number, because the mean of its divisors is an integer number (9754063592).

Almost surely, 2^225432255420 is an apocalyptic number.

225432255420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225432255420 is an abundant number, since it is smaller than the sum of its proper divisors (476860323204).

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

225432255420 is a wasteful number, since it uses less digits than its factorization.

225432255420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33848739 (or 33848734 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

Adding to 225432255420 its reverse (24552234522), we get a palindrome (249984489942).

The spelling of 225432255420 in words is "two hundred twenty-five billion, four hundred thirty-two million, two hundred fifty-five thousand, four hundred twenty".