225203555 has 8 divisors (see below), whose sum is σ = 275994432. Its totient is φ = 176329408.

The previous prime is 225203543. The next prime is 225203567. The reversal of 225203555 is 555302522.

It is an interprime number because it is at equal distance from previous prime (225203543) and next prime (225203567).

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 225203555 - 2¹⁰ = 225202531 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478922 + ... + 479391.

It is an arithmetic number, because the mean of its divisors is an integer number (34499304).

Almost surely, 2^225203555 is an apocalyptic number.

225203555 is a deficient number, since it is larger than the sum of its proper divisors (50790877).

225203555 is an equidigital number, since it uses as much as digits as its factorization.

225203555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958365.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 225203555 is about 15006.7836327442. The cubic root of 225203555 is about 608.4035609590.

The spelling of 225203555 in words is "two hundred twenty-five million, two hundred three thousand, five hundred fifty-five".