1224664550 has 12 divisors (see below), whose sum is σ = 2277876156. Its totient is φ = 489865800.

The previous prime is 1224664537. The next prime is 1224664561. The reversal of 1224664550 is 554664221.

It is a self number, because there is not a number n which added to its sum of digits gives 1224664550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12246596 + ... + 12246695.

It is an arithmetic number, because the mean of its divisors is an integer number (189823013).

Almost surely, 2^1224664550 is an apocalyptic number.

1224664550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1224664550 is a deficient number, since it is larger than the sum of its proper divisors (1053211606).

1224664550 is a wasteful number, since it uses less digits than its factorization.

1224664550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24493303 (or 24493298 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 1224664550 is about 34995.2075290317. The cubic root of 1224664550 is about 1069.8898043561.

The spelling of 1224664550 in words is "one billion, two hundred twenty-four million, six hundred sixty-four thousand, five hundred fifty".