2791226 has 4 divisors (see below), whose sum is σ = 4186842. Its totient is φ = 1395612.

The previous prime is 2791199. The next prime is 2791237. The reversal of 2791226 is 6221972.

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., 1890625 + 900601 = 1375^2 + 949^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697805 + ... + 697808.

2^2791226 is an apocalyptic number.

2791226 is a deficient number, since it is larger than the sum of its proper divisors (1395616).

2791226 is a wasteful number, since it uses less digits than its factorization.

2791226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395615.

The product of its digits is 3024, while the sum is 29.

The square root of 2791226 is about 1670.6962620417. The cubic root of 2791226 is about 140.7985991704.

The spelling of 2791226 in words is "two million, seven hundred ninety-one thousand, two hundred twenty-six".