225141218 has 4 divisors (see below), whose sum is σ = 337711830. Its totient is φ = 112570608.

The previous prime is 225141187. The next prime is 225141223. The reversal of 225141218 is 812141522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 812141522 = 2 ⋅406070761.

It can be written as a sum of positive squares in only one way, i.e., 137288089 + 87853129 = 11717^2 + 9373^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56285303 + ... + 56285306.

Almost surely, 2^225141218 is an apocalyptic number.

225141218 is a deficient number, since it is larger than the sum of its proper divisors (112570612).

225141218 is a wasteful number, since it uses less digits than its factorization.

225141218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112570611.

The product of its digits is 1280, while the sum is 26.

The square root of 225141218 is about 15004.7065282864. The cubic root of 225141218 is about 608.3474198193.

It can be divided in two parts, 22514 and 1218, that added together give a palindrome (23732).

The spelling of 225141218 in words is "two hundred twenty-five million, one hundred forty-one thousand, two hundred eighteen".