225144843 has 16 divisors (see below), whose sum is σ = 374267136. Its totient is φ = 116958240.

The previous prime is 225144827. The next prime is 225144859. The reversal of 225144843 is 348441522.

225144843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (225144827) and next prime (225144859).

It is not a de Polignac number, because 225144843 - 2⁴ = 225144827 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (225144863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487096 + ... + 487557.

It is an arithmetic number, because the mean of its divisors is an integer number (23391696).

Almost surely, 2^225144843 is an apocalyptic number.

225144843 is a deficient number, since it is larger than the sum of its proper divisors (149122293).

225144843 is a wasteful number, since it uses less digits than its factorization.

225144843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974674.

The product of its digits is 30720, while the sum is 33.

The square root of 225144843 is about 15004.8273232317. The cubic root of 225144843 is about 608.3506848036.

The spelling of 225144843 in words is "two hundred twenty-five million, one hundred forty-four thousand, eight hundred forty-three".