2226556 has 6 divisors (see below), whose sum is σ = 3896480. Its totient is φ = 1113276.

The previous prime is 2226547. The next prime is 2226557. The reversal of 2226556 is 6556222.

It is a super-2 number, since 2×2226556² = 9915103242272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2226557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278316 + ... + 278323.

2^2226556 is an apocalyptic number.

It is an amenable number.

2226556 is a deficient number, since it is larger than the sum of its proper divisors (1669924).

2226556 is a wasteful number, since it uses less digits than its factorization.

2226556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556643 (or 556641 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 2226556 is about 1492.1648702473. The cubic root of 2226556 is about 130.5803637849.

The spelling of 2226556 in words is "two million, two hundred twenty-six thousand, five hundred fifty-six".