225644164105 has 8 divisors (see below), whose sum is σ = 280109997000. Its totient is φ = 174290664576.

The previous prime is 225644164069. The next prime is 225644164133. The reversal of 225644164105 is 501461446522.

It can be written as a sum of positive squares in 4 ways, for example, as 7708313209 + 217935850896 = 87797^2 + 466836^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225644164105 - 2⁷ = 225644163977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778083180 + ... + 778083469.

It is an arithmetic number, because the mean of its divisors is an integer number (35013749625).

Almost surely, 2^225644164105 is an apocalyptic number.

It is an amenable number.

225644164105 is a deficient number, since it is larger than the sum of its proper divisors (54465832895).

225644164105 is a wasteful number, since it uses less digits than its factorization.

225644164105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556166683.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 225644164105 in words is "two hundred twenty-five billion, six hundred forty-four million, one hundred sixty-four thousand, one hundred five".