225341004 has 72 divisors (see below), whose sum is σ = 613789680. Its totient is φ = 64157184.

The previous prime is 225340993. The next prime is 225341021. The reversal of 225341004 is 400143522.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 240024 + ... + 240960.

Almost surely, 2^225341004 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 225341004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306894840).

225341004 is an abundant number, since it is smaller than the sum of its proper divisors (388448676).

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

225341004 is a wasteful number, since it uses less digits than its factorization.

225341004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367 (or 1358 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 225341004 is about 15011.3624964558. The cubic root of 225341004 is about 608.5273118975.

Adding to 225341004 its reverse (400143522), we get a palindrome (625484526).

The spelling of 225341004 in words is "two hundred twenty-five million, three hundred forty-one thousand, four".