2749226 has 4 divisors (see below), whose sum is σ = 4123842. Its totient is φ = 1374612.

The previous prime is 2749207. The next prime is 2749231. The reversal of 2749226 is 6229472.

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., 2739025 + 10201 = 1655^2 + 101^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2749192 and 2749201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687305 + ... + 687308.

2^2749226 is an apocalyptic number.

2749226 is a deficient number, since it is larger than the sum of its proper divisors (1374616).

2749226 is a wasteful number, since it uses less digits than its factorization.

2749226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374615.

The product of its digits is 12096, while the sum is 32.

The square root of 2749226 is about 1658.0790089739. The cubic root of 2749226 is about 140.0888211877.

The spelling of 2749226 in words is "two million, seven hundred forty-nine thousand, two hundred twenty-six".