1224340144 has 10 divisors (see below), whose sum is σ = 2372159060. Its totient is φ = 612170064.

The previous prime is 1224340141. The next prime is 1224340147. The reversal of 1224340144 is 4410434221.

It is an interprime number because it is at equal distance from previous prime (1224340141) and next prime (1224340147).

It is not an unprimeable number, because it can be changed into a prime (1224340141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38260614 + ... + 38260645.

It is an arithmetic number, because the mean of its divisors is an integer number (237215906).

Almost surely, 2^1224340144 is an apocalyptic number.

It is an amenable number.

1224340144 is a deficient number, since it is larger than the sum of its proper divisors (1147818916).

1224340144 is an equidigital number, since it uses as much as digits as its factorization.

1224340144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76521267 (or 76521261 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1224340144 is about 34990.5722159555. The cubic root of 1224340144 is about 1069.7953269684.

Adding to 1224340144 its reverse (4410434221), we get a palindrome (5634774365).

The spelling of 1224340144 in words is "one billion, two hundred twenty-four million, three hundred forty thousand, one hundred forty-four".