1224662 has 4 divisors (see below), whose sum is σ = 1836996. Its totient is φ = 612330.

The previous prime is 1224637. The next prime is 1224673. The reversal of 1224662 is 2664221.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306164 + ... + 306167.

It is an arithmetic number, because the mean of its divisors is an integer number (459249).

2^1224662 is an apocalyptic number.

1224662 is a deficient number, since it is larger than the sum of its proper divisors (612334).

1224662 is an equidigital number, since it uses as much as digits as its factorization.

1224662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612333.

The product of its digits is 1152, while the sum is 23.

The square root of 1224662 is about 1106.6444776892. The cubic root of 1224662 is about 106.9889061780.

Adding to 1224662 its reverse (2664221), we get a palindrome (3888883).

The spelling of 1224662 in words is "one million, two hundred twenty-four thousand, six hundred sixty-two".