1224312064 has 18 divisors (see below), whose sum is σ = 2443842170. Its totient is φ = 612155904.

The previous prime is 1224312043. The next prime is 1224312073. The reversal of 1224312064 is 4602134221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 864830464 + 359481600 = 29408^2 + 18960^2 .

It is a congruent number.

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, 2390979 + ... + 2391490.

Almost surely, 2^1224312064 is an apocalyptic number.

It is an amenable number.

1224312064 is a deficient number, since it is larger than the sum of its proper divisors (1219530106).

1224312064 is an frugal number, since it uses more digits than its factorization.

1224312064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782485 (or 4782471 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1224312064 is about 34990.1709627147. The cubic root of 1224312064 is about 1069.7871483908.

Adding to 1224312064 its reverse (4602134221), we get a palindrome (5826446285).

The spelling of 1224312064 in words is "one billion, two hundred twenty-four million, three hundred twelve thousand, sixty-four".