225556715 has 8 divisors (see below), whose sum is σ = 276962928. Its totient is φ = 176248800.

The previous prime is 225556691. The next prime is 225556729. The reversal of 225556715 is 517655522.

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

It is not a de Polignac number, because 225556715 - 2¹⁴ = 225540331 is a prime.

It is a Duffinian 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, 524336 + ... + 524765.

It is an arithmetic number, because the mean of its divisors is an integer number (34620366).

Almost surely, 2^225556715 is an apocalyptic number.

225556715 is a deficient number, since it is larger than the sum of its proper divisors (51406213).

225556715 is a wasteful number, since it uses less digits than its factorization.

225556715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049149.

The product of its digits is 105000, while the sum is 38.

The square root of 225556715 is about 15018.5457018980. The cubic root of 225556715 is about 608.7214238870.

The spelling of 225556715 in words is "two hundred twenty-five million, five hundred fifty-six thousand, seven hundred fifteen".