2740226 has 4 divisors (see below), whose sum is σ = 4110342. Its totient is φ = 1370112.

The previous prime is 2740223. The next prime is 2740249. The reversal of 2740226 is 6220472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2719201 + 21025 = 1649^2 + 145^2 .

It is not an unprimeable number, because it can be changed into a prime (2740223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685055 + ... + 685058.

2^2740226 is an apocalyptic number.

2740226 is a deficient number, since it is larger than the sum of its proper divisors (1370116).

2740226 is a wasteful number, since it uses less digits than its factorization.

2740226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370115.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 2740226 is about 1655.3628001136. The cubic root of 2740226 is about 139.9357868787.

Adding to 2740226 its reverse (6220472), we get a palindrome (8960698).

The spelling of 2740226 in words is "two million, seven hundred forty thousand, two hundred twenty-six".