225442105 has 16 divisors (see below), whose sum is σ = 309456000. Its totient is φ = 154449792.

The previous prime is 225442097. The next prime is 225442123. The reversal of 225442105 is 501244522.

It is not a de Polignac number, because 225442105 - 2³ = 225442097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225442105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50317 + ... + 54613.

It is an arithmetic number, because the mean of its divisors is an integer number (19341000).

Almost surely, 2^225442105 is an apocalyptic number.

It is an amenable number.

225442105 is a deficient number, since it is larger than the sum of its proper divisors (84013895).

225442105 is a wasteful number, since it uses less digits than its factorization.

225442105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5808.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 225442105 is about 15014.7296012949. The cubic root of 225442105 is about 608.6183051331.

Adding to 225442105 its reverse (501244522), we get a palindrome (726686627).

It can be divided in two parts, 22544 and 2105, that added together give a square (24649 = 157²).

The spelling of 225442105 in words is "two hundred twenty-five million, four hundred forty-two thousand, one hundred five".