225214143 has 64 divisors (see below), whose sum is σ = 387763200. Its totient is φ = 115248000.

The previous prime is 225214139. The next prime is 225214159. The reversal of 225214143 is 341412522.

It is not a de Polignac number, because 225214143 - 2² = 225214139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225214103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1143121 + ... + 1143317.

It is an arithmetic number, because the mean of its divisors is an integer number (6058800).

Almost surely, 2^225214143 is an apocalyptic number.

225214143 is a deficient number, since it is larger than the sum of its proper divisors (162549057).

225214143 is a wasteful number, since it uses less digits than its factorization.

225214143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 319 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 225214143 is about 15007.1364023920. The cubic root of 225214143 is about 608.4130955567.

Adding to 225214143 its reverse (341412522), we get a palindrome (566626665).

The spelling of 225214143 in words is "two hundred twenty-five million, two hundred fourteen thousand, one hundred forty-three".