225504162 has 40 divisors (see below), whose sum is σ = 544170396. Its totient is φ = 69385248.

The previous prime is 225504161. The next prime is 225504187. The reversal of 225504162 is 261405522.

It can be written as a sum of positive squares in 2 ways, for example, as 204518601 + 20985561 = 14301^2 + 4581^2 .

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 (225504161) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 51433 + ... + 55644.

Almost surely, 2^225504162 is an apocalyptic number.

225504162 is an abundant number, since it is smaller than the sum of its proper divisors (318666234).

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

225504162 is a wasteful number, since it uses less digits than its factorization.

225504162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107104 (or 107095 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 225504162 is about 15016.7959964834. The cubic root of 225504162 is about 608.6741443934.

Adding to 225504162 its reverse (261405522), we get a palindrome (486909684).

The spelling of 225504162 in words is "two hundred twenty-five million, five hundred four thousand, one hundred sixty-two".