225434052 has 72 divisors (see below), whose sum is σ = 593250840. Its totient is φ = 72092160.

The previous prime is 225434021. The next prime is 225434087. The reversal of 225434052 is 250434522.

It is a happy number.

225434052 is a `hidden beast` number, since 2 + 254 + 3 + 405 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1153476 + 224280576 = 1074^2 + 14976^2 .

It is a super-2 number, since 2×225434052² = 101641023602277408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188368 + ... + 189560.

It is an arithmetic number, because the mean of its divisors is an integer number (8239595).

Almost surely, 2^225434052 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 225434052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296625420).

225434052 is an abundant number, since it is smaller than the sum of its proper divisors (367816788).

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

225434052 is a wasteful number, since it uses less digits than its factorization.

225434052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413 (or 1408 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 225434052 is about 15014.4614289025. The cubic root of 225434052 is about 608.6110582443.

Adding to 225434052 its reverse (250434522), we get a palindrome (475868574).

The spelling of 225434052 in words is "two hundred twenty-five million, four hundred thirty-four thousand, fifty-two".