225343404 has 96 divisors (see below), whose sum is σ = 686407680. Its totient is φ = 63028800.

The previous prime is 225343403. The next prime is 225343451. The reversal of 225343404 is 404343522.

225343404 is a `hidden beast` number, since 2 + 253 + 4 + 3 + 404 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (225343403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8149 + ... + 22739.

It is an arithmetic number, because the mean of its divisors is an integer number (7150080).

Almost surely, 2^225343404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225343404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343203840).

225343404 is an abundant number, since it is smaller than the sum of its proper divisors (461064276).

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

225343404 is a wasteful number, since it uses less digits than its factorization.

225343404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14628 (or 14620 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 225343404 is about 15011.4424356889. The cubic root of 225343404 is about 608.5294722683.

Adding to 225343404 its reverse (404343522), we get a palindrome (629686926).

The spelling of 225343404 in words is "two hundred twenty-five million, three hundred forty-three thousand, four hundred four".