225375226906 has 16 divisors (see below), whose sum is σ = 339321510216. Its totient is φ = 112268149056.

The previous prime is 225375226891. The next prime is 225375226943. The reversal of 225375226906 is 609622573522.

It can be written as a sum of positive squares in 4 ways, for example, as 71939286225 + 153435940681 = 268215^2 + 391709^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 225375226906.

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 7 ways as a sum of consecutive naturals, for example, 6651600 + ... + 6685396.

Almost surely, 2^225375226906 is an apocalyptic number.

225375226906 is a deficient number, since it is larger than the sum of its proper divisors (113946283310).

225375226906 is a wasteful number, since it uses less digits than its factorization.

225375226906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46113.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 225375226906 in words is "two hundred twenty-five billion, three hundred seventy-five million, two hundred twenty-six thousand, nine hundred six".