225075819 has 8 divisors (see below), whose sum is σ = 303900160. Its totient is φ = 148151016.

The previous prime is 225075811. The next prime is 225075827. The reversal of 225075819 is 918570522.

It is an interprime number because it is at equal distance from previous prime (225075811) and next prime (225075827).

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

It is not a de Polignac number, because 225075819 - 2³ = 225075811 is a prime.

It is a super-2 number, since 2×225075819² = 101318248597041522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225075811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474607 + ... + 475080.

It is an arithmetic number, because the mean of its divisors is an integer number (37987520).

Almost surely, 2^225075819 is an apocalyptic number.

225075819 is a deficient number, since it is larger than the sum of its proper divisors (78824341).

225075819 is an equidigital number, since it uses as much as digits as its factorization.

225075819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949769.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 225075819 is about 15002.5270871277. The cubic root of 225075819 is about 608.2885098810.

The spelling of 225075819 in words is "two hundred twenty-five million, seventy-five thousand, eight hundred nineteen".