1224244550 has 12 divisors (see below), whose sum is σ = 2277094956. Its totient is φ = 489697800.

The previous prime is 1224244531. The next prime is 1224244559. The reversal of 1224244550 is 554424221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224244559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12242396 + ... + 12242495.

It is an arithmetic number, because the mean of its divisors is an integer number (189757913).

Almost surely, 2^1224244550 is an apocalyptic number.

1224244550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1224244550 is a deficient number, since it is larger than the sum of its proper divisors (1052850406).

1224244550 is a wasteful number, since it uses less digits than its factorization.

1224244550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24484903 (or 24484898 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 1224244550 is about 34989.2061927675. The cubic root of 1224244550 is about 1069.7674837592.

Adding to 1224244550 its reverse (554424221), we get a palindrome (1778668771).

The spelling of 1224244550 in words is "one billion, two hundred twenty-four million, two hundred forty-four thousand, five hundred fifty".