1228826 has 4 divisors (see below), whose sum is σ = 1843242. Its totient is φ = 614412.

The previous prime is 1228789. The next prime is 1228837. The reversal of 1228826 is 6288221.

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., 1207801 + 21025 = 1099^2 + 145^2 .

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 as a sum of consecutive naturals, namely, 307205 + ... + 307208.

2^1228826 is an apocalyptic number.

1228826 is a deficient number, since it is larger than the sum of its proper divisors (614416).

1228826 is an equidigital number, since it uses as much as digits as its factorization.

1228826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614415.

The product of its digits is 3072, while the sum is 29.

The square root of 1228826 is about 1108.5242442094. The cubic root of 1228826 is about 107.1100274443.

The spelling of 1228826 in words is "one million, two hundred twenty-eight thousand, eight hundred twenty-six".