1224302464 has 128 divisors (see below), whose sum is σ = 3220197120. Its totient is φ = 448880640.

The previous prime is 1224302459. The next prime is 1224302531. The reversal of 1224302464 is 4642034221.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163899 + ... + 171205.

It is an arithmetic number, because the mean of its divisors is an integer number (25157790).

Almost surely, 2^1224302464 is an apocalyptic number.

1224302464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1224302464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1610098560).

1224302464 is an abundant number, since it is smaller than the sum of its proper divisors (1995894656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1224302464 is a wasteful number, since it uses less digits than its factorization.

1224302464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7356 (or 7344 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 1224302464 is about 34990.0337810640. The cubic root of 1224302464 is about 1069.7843522673.

Adding to 1224302464 its reverse (4642034221), we get a palindrome (5866336685).

The spelling of 1224302464 in words is "one billion, two hundred twenty-four million, three hundred two thousand, four hundred sixty-four".