2731226 has 8 divisors (see below), whose sum is σ = 4115124. Its totient is φ = 1359520.

The previous prime is 2731207. The next prime is 2731241. The reversal of 2731226 is 6221372.

It can be written as a sum of positive squares in 2 ways, for example, as 2640625 + 90601 = 1625^2 + 301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2465 + ... + 3396.

2^2731226 is an apocalyptic number.

2731226 is a deficient number, since it is larger than the sum of its proper divisors (1383898).

2731226 is a wasteful number, since it uses less digits than its factorization.

2731226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6096.

The product of its digits is 1008, while the sum is 23.

The square root of 2731226 is about 1652.6421270196. The cubic root of 2731226 is about 139.7824171179.

Adding to 2731226 its reverse (6221372), we get a palindrome (8952598).

The spelling of 2731226 in words is "two million, seven hundred thirty-one thousand, two hundred twenty-six".