225401143 has 16 divisors (see below), whose sum is σ = 251942400. Its totient is φ = 199897600.

The previous prime is 225401119. The next prime is 225401159. The reversal of 225401143 is 341104522.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225401143 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 (225401843) 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, 231648 + ... + 232618.

It is an arithmetic number, because the mean of its divisors is an integer number (15746400).

Almost surely, 2^225401143 is an apocalyptic number.

225401143 is a deficient number, since it is larger than the sum of its proper divisors (26541257).

225401143 is a wasteful number, since it uses less digits than its factorization.

225401143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 225401143 is about 15013.3654787992. The cubic root of 225401143 is about 608.5814416657.

Adding to 225401143 its reverse (341104522), we get a palindrome (566505665).

The spelling of 225401143 in words is "two hundred twenty-five million, four hundred one thousand, one hundred forty-three".