225678003 has 4 divisors (see below), whose sum is σ = 300904008. Its totient is φ = 150452000.

The previous prime is 225677993. The next prime is 225678017. The reversal of 225678003 is 300876522.

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 225678003 - 2¹⁸ = 225415859 is a prime.

It is a super-2 number, since 2×225678003² = 101861122076136018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225678403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37612998 + ... + 37613003.

It is an arithmetic number, because the mean of its divisors is an integer number (75226002).

Almost surely, 2^225678003 is an apocalyptic number.

225678003 is a deficient number, since it is larger than the sum of its proper divisors (75226005).

225678003 is an equidigital number, since it uses as much as digits as its factorization.

225678003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75226004.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 225678003 is about 15022.5831001196. The cubic root of 225678003 is about 608.8305130422.

The spelling of 225678003 in words is "two hundred twenty-five million, six hundred seventy-eight thousand, three".