225150685 has 8 divisors (see below), whose sum is σ = 270570456. Its totient is φ = 179860800.

The previous prime is 225150683. The next prime is 225150689. The reversal of 225150685 is 586051522.

It can be written as a sum of positive squares in 4 ways, for example, as 87721956 + 137428729 = 9366^2 + 11723^2 .

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

It is not a de Polignac number, because 225150685 - 2¹ = 225150683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225150685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225150683) by changing a digit.

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, 28614 + ... + 35623.

It is an arithmetic number, because the mean of its divisors is an integer number (33821307).

Almost surely, 2^225150685 is an apocalyptic number.

It is an amenable number.

225150685 is a deficient number, since it is larger than the sum of its proper divisors (45419771).

225150685 is an equidigital number, since it uses as much as digits as its factorization.

225150685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64943.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 225150685 is about 15005.0219926530. The cubic root of 225150685 is about 608.3559465333.

The spelling of 225150685 in words is "two hundred twenty-five million, one hundred fifty thousand, six hundred eighty-five".