225727855 has 8 divisors (see below), whose sum is σ = 277173072. Its totient is φ = 176382528.

The previous prime is 225727841. The next prime is 225727871. The reversal of 225727855 is 558727522.

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 225727855 - 2⁵ = 225727823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

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, 524734 + ... + 525163.

It is an arithmetic number, because the mean of its divisors is an integer number (34646634).

Almost surely, 2^225727855 is an apocalyptic number.

225727855 is a deficient number, since it is larger than the sum of its proper divisors (51445217).

225727855 is a wasteful number, since it uses less digits than its factorization.

225727855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049945.

The product of its digits is 392000, while the sum is 43.

The square root of 225727855 is about 15024.2422437872. The cubic root of 225727855 is about 608.8753397181.

The spelling of 225727855 in words is "two hundred twenty-five million, seven hundred twenty-seven thousand, eight hundred fifty-five".