225722085 has 8 divisors (see below), whose sum is σ = 361155360. Its totient is φ = 120385104.

The previous prime is 225722083. The next prime is 225722087. The reversal of 225722085 is 580227522.

It is an interprime number because it is at equal distance from previous prime (225722083) and next prime (225722087).

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

It is not a de Polignac number, because 225722085 - 2¹ = 225722083 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225722083) 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, 7524055 + ... + 7524084.

It is an arithmetic number, because the mean of its divisors is an integer number (45144420).

Almost surely, 2^225722085 is an apocalyptic number.

It is an amenable number.

225722085 is a deficient number, since it is larger than the sum of its proper divisors (135433275).

225722085 is a wasteful number, since it uses less digits than its factorization.

225722085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15048147.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 225722085 is about 15024.0502195646. The cubic root of 225722085 is about 608.8701517000.

It can be divided in two parts, 2257 and 22085, that added together give a palindrome (24342).

The spelling of 225722085 in words is "two hundred twenty-five million, seven hundred twenty-two thousand, eighty-five".