1228364 has 6 divisors (see below), whose sum is σ = 2149644. Its totient is φ = 614180.

The previous prime is 1228351. The next prime is 1228373. The reversal of 1228364 is 4638221.

It is a d-powerful number, because it can be written as 1 + 2¹¹ + 2¹⁷ + 8 + 3 + 6⁶ + 4¹⁰ .

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, 153542 + ... + 153549.

It is an arithmetic number, because the mean of its divisors is an integer number (358274).

2^1228364 is an apocalyptic number.

It is an amenable number.

1228364 is a deficient number, since it is larger than the sum of its proper divisors (921280).

1228364 is a wasteful number, since it uses less digits than its factorization.

1228364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307095 (or 307093 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 1228364 is about 1108.3158394609. The cubic root of 1228364 is about 107.0966024258.

The spelling of 1228364 in words is "one million, two hundred twenty-eight thousand, three hundred sixty-four".