225541655 has 8 divisors (see below), whose sum is σ = 271334112. Its totient is φ = 179977248.

The previous prime is 225541651. The next prime is 225541681. The reversal of 225541655 is 556145522.

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 225541655 - 2² = 225541651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225541651) 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, 54827 + ... + 58796.

It is an arithmetic number, because the mean of its divisors is an integer number (33916764).

Almost surely, 2^225541655 is an apocalyptic number.

225541655 is a deficient number, since it is larger than the sum of its proper divisors (45792457).

225541655 is a wasteful number, since it uses less digits than its factorization.

225541655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114025.

The product of its digits is 60000, while the sum is 35.

The square root of 225541655 is about 15018.0443134251. The cubic root of 225541655 is about 608.7078758552.

The spelling of 225541655 in words is "two hundred twenty-five million, five hundred forty-one thousand, six hundred fifty-five".