225254425400 has 96 divisors (see below), whose sum is σ = 531141786000. Its totient is φ = 88830213120.

The previous prime is 225254425399. The next prime is 225254425471. The reversal of 225254425400 is 4524452522.

It is a happy number.

225254425400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 6158366 + ... + 6194834.

Almost surely, 2^225254425400 is an apocalyptic number.

225254425400 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 225254425400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265570893000).

225254425400 is an abundant number, since it is smaller than the sum of its proper divisors (305887360600).

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

225254425400 is a wasteful number, since it uses less digits than its factorization.

225254425400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36921 (or 36912 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 35.

Adding to 225254425400 its reverse (4524452522), we get a palindrome (229778877922).

The spelling of 225254425400 in words is "two hundred twenty-five billion, two hundred fifty-four million, four hundred twenty-five thousand, four hundred".