225072103 has 4 divisors (see below), whose sum is σ = 232833240. Its totient is φ = 217310968.

The previous prime is 225072047. The next prime is 225072131. The reversal of 225072103 is 301270522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225072103 - 2²¹ = 222974951 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 (225072203) 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 3 ways as a sum of consecutive naturals, for example, 3880525 + ... + 3880582.

It is an arithmetic number, because the mean of its divisors is an integer number (58208310).

Almost surely, 2^225072103 is an apocalyptic number.

225072103 is a deficient number, since it is larger than the sum of its proper divisors (7761137).

225072103 is an equidigital number, since it uses as much as digits as its factorization.

225072103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7761136.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 225072103 is about 15002.4032408145. The cubic root of 225072103 is about 608.2851622498.

The spelling of 225072103 in words is "two hundred twenty-five million, seventy-two thousand, one hundred three".