1224514368 has 224 divisors, whose sum is σ = 4488606720. Its totient is φ = 318021120.

The previous prime is 1224514327. The next prime is 1224514381. The reversal of 1224514368 is 8634154221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128455 + ... + 137657.

Almost surely, 2^1224514368 is an apocalyptic number.

1224514368 is a gapful number since it is divisible by the number (18) 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 1224514368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2244303360).

1224514368 is an abundant number, since it is smaller than the sum of its proper divisors (3264092352).

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

1224514368 is a wasteful number, since it uses less digits than its factorization.

1224514368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9242 (or 9226 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 1224514368 is about 34993.0617122881. The cubic root of 1224514368 is about 1069.8460686357.

Adding to 1224514368 its reverse (8634154221), we get a palindrome (9858668589).

The spelling of 1224514368 in words is "one billion, two hundred twenty-four million, five hundred fourteen thousand, three hundred sixty-eight".