2228906 has 8 divisors (see below), whose sum is σ = 3385920. Its totient is φ = 1100268.

The previous prime is 2228893. The next prime is 2228923. The reversal of 2228906 is 6098222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 6896 + ... + 7211.

It is an arithmetic number, because the mean of its divisors is an integer number (423240).

2^2228906 is an apocalyptic number.

2228906 is a deficient number, since it is larger than the sum of its proper divisors (1157014).

2228906 is a wasteful number, since it uses less digits than its factorization.

2228906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14188.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2228906 is about 1492.9521090778. The cubic root of 2228906 is about 130.6262876181.

The spelling of 2228906 in words is "two million, two hundred twenty-eight thousand, nine hundred six".