225103452 has 144 divisors (see below), whose sum is σ = 648869760. Its totient is φ = 60455808.

The previous prime is 225103433. The next prime is 225103471. The reversal of 225103452 is 254301522.

It is an interprime number because it is at equal distance from previous prime (225103433) and next prime (225103471).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 733083 + ... + 733389.

It is an arithmetic number, because the mean of its divisors is an integer number (4506040).

Almost surely, 2^225103452 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 225103452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324434880).

225103452 is an abundant number, since it is smaller than the sum of its proper divisors (423766308).

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

225103452 is a wasteful number, since it uses less digits than its factorization.

225103452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 225103452 is about 15003.4480037090. The cubic root of 225103452 is about 608.3134024537.

Adding to 225103452 its reverse (254301522), we get a palindrome (479404974).

The spelling of 225103452 in words is "two hundred twenty-five million, one hundred three thousand, four hundred fifty-two".