225118071 has 12 divisors (see below), whose sum is σ = 325659672. Its totient is φ = 149852976.

The previous prime is 225118037. The next prime is 225118079. The reversal of 225118071 is 170811522.

225118071 is a `hidden beast` number, since 2 + 2 + 511 + 80 + 71 = 666.

It is not a de Polignac number, because 225118071 - 2¹⁰ = 225117047 is a prime.

It is a super-2 number, since 2×225118071² = 101356291781522082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225118079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12381 + ... + 24566.

It is an arithmetic number, because the mean of its divisors is an integer number (27138306).

Almost surely, 2^225118071 is an apocalyptic number.

225118071 is a deficient number, since it is larger than the sum of its proper divisors (100541601).

225118071 is a wasteful number, since it uses less digits than its factorization.

225118071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37630 (or 37627 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 225118071 is about 15003.9351838109. The cubic root of 225118071 is about 608.3265708304.

Adding to 225118071 its reverse (170811522), we get a palindrome (395929593).

The spelling of 225118071 in words is "two hundred twenty-five million, one hundred eighteen thousand, seventy-one".