1228226 has 4 divisors (see below), whose sum is σ = 1842342. Its totient is φ = 614112.

The previous prime is 1228219. The next prime is 1228243. The reversal of 1228226 is 6228221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6228221 = 113 ⋅55117.

It can be written as a sum of positive squares in only one way, i.e., 664225 + 564001 = 815^2 + 751^2 .

It is an unprimeable number.

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, 307055 + ... + 307058.

2^1228226 is an apocalyptic number.

1228226 is a deficient number, since it is larger than the sum of its proper divisors (614116).

1228226 is an equidigital number, since it uses as much as digits as its factorization.

1228226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614115.

The product of its digits is 768, while the sum is 23.

The square root of 1228226 is about 1108.2535810905. The cubic root of 1228226 is about 107.0925917024.

The spelling of 1228226 in words is "one million, two hundred twenty-eight thousand, two hundred twenty-six".