27162225 has 18 divisors (see below), whose sum is σ = 48650966. Its totient is φ = 14486400.

The previous prime is 27162217. The next prime is 27162259. The reversal of 27162225 is 52226172.

It can be written as a sum of positive squares in 3 ways, for example, as 288369 + 26873856 = 537^2 + 5184^2 .

It is not a de Polignac number, because 27162225 - 2³ = 27162217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 60136 + ... + 60585.

Almost surely, 2^27162225 is an apocalyptic number.

27162225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27162225 is a deficient number, since it is larger than the sum of its proper divisors (21488741).

27162225 is a wasteful number, since it uses less digits than its factorization.

27162225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120737 (or 120729 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 27162225 is about 5211.7391531043. The cubic root of 27162225 is about 300.5996339984.

Adding to 27162225 its reverse (52226172), we get a palindrome (79388397).

The spelling of 27162225 in words is "twenty-seven million, one hundred sixty-two thousand, two hundred twenty-five".