1228562 has 8 divisors (see below), whose sum is σ = 1847856. Its totient is φ = 612612.

The previous prime is 1228547. The next prime is 1228567. The reversal of 1228562 is 2658221.

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

It is not an unprimeable number, because it can be changed into a prime (1228567) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 533 + ... + 1655.

It is an arithmetic number, because the mean of its divisors is an integer number (230982).

2^1228562 is an apocalyptic number.

1228562 is a deficient number, since it is larger than the sum of its proper divisors (619294).

1228562 is a wasteful number, since it uses less digits than its factorization.

1228562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672.

The product of its digits is 1920, while the sum is 26.

The square root of 1228562 is about 1108.4051605798. The cubic root of 1228562 is about 107.1023564172.

The spelling of 1228562 in words is "one million, two hundred twenty-eight thousand, five hundred sixty-two".