225041420 has 24 divisors (see below), whose sum is σ = 473122944. Its totient is φ = 89914496.

The previous prime is 225041413. The next prime is 225041429. The reversal of 225041420 is 24140522.

It is a happy number.

225041420 is digitally balanced in base 2, 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 (20).

It is a junction number, because it is equal to n+sod(n) for n = 225041392 and 225041401.

It is not an unprimeable number, because it can be changed into a prime (225041429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13157 + ... + 24963.

It is an arithmetic number, because the mean of its divisors is an integer number (19713456).

Almost surely, 2^225041420 is an apocalyptic number.

225041420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225041420 is an abundant number, since it is smaller than the sum of its proper divisors (248081524).

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

225041420 is a wasteful number, since it uses less digits than its factorization.

225041420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12769 (or 12767 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 225041420 is about 15001.3806031312. The cubic root of 225041420 is about 608.2575194610.

Adding to 225041420 its reverse (24140522), we get a palindrome (249181942).

The spelling of 225041420 in words is "two hundred twenty-five million, forty-one thousand, four hundred twenty".