225471403 has 4 divisors (see below), whose sum is σ = 230714968. Its totient is φ = 220227840.

The previous prime is 225471397. The next prime is 225471427. The reversal of 225471403 is 304174522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304174522 = 2 ⋅152087261.

It is a cyclic number.

It is not a de Polignac number, because 225471403 - 2²⁵ = 191916971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225471503) 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, 2621718 + ... + 2621803.

It is an arithmetic number, because the mean of its divisors is an integer number (57678742).

Almost surely, 2^225471403 is an apocalyptic number.

225471403 is a deficient number, since it is larger than the sum of its proper divisors (5243565).

225471403 is an equidigital number, since it uses as much as digits as its factorization.

225471403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5243564.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 225471403 is about 15015.7052115443. The cubic root of 225471403 is about 608.6446689257.

The spelling of 225471403 in words is "two hundred twenty-five million, four hundred seventy-one thousand, four hundred three".