2226506 has 4 divisors (see below), whose sum is σ = 3339762. Its totient is φ = 1113252.

The previous prime is 2226493. The next prime is 2226509. The reversal of 2226506 is 6056222.

It is a happy number.

2226506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 2059225 + 167281 = 1435^2 + 409^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2226509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556625 + ... + 556628.

2^2226506 is an apocalyptic number.

2226506 is a deficient number, since it is larger than the sum of its proper divisors (1113256).

2226506 is a wasteful number, since it uses less digits than its factorization.

2226506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113255.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2226506 is about 1492.1481159724. The cubic root of 2226506 is about 130.5793863310.

The spelling of 2226506 in words is "two million, two hundred twenty-six thousand, five hundred six".