2228458 has 16 divisors (see below), whose sum is σ = 3458304. Its totient is φ = 1076400.

The previous prime is 2228449. The next prime is 2228483. The reversal of 2228458 is 8548222.

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 7 ways as a sum of consecutive naturals, for example, 14116 + ... + 14272.

It is an arithmetic number, because the mean of its divisors is an integer number (216144).

2^2228458 is an apocalyptic number.

2228458 is a deficient number, since it is larger than the sum of its proper divisors (1229846).

2228458 is a wasteful number, since it uses less digits than its factorization.

2228458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357.

The product of its digits is 10240, while the sum is 31.

The square root of 2228458 is about 1492.8020632354. The cubic root of 2228458 is about 130.6175352678.

The spelling of 2228458 in words is "two million, two hundred twenty-eight thousand, four hundred fifty-eight".