1214140224 has 112 divisors (see below), whose sum is σ = 3514807296. Its totient is φ = 366835200.

The previous prime is 1214140199. The next prime is 1214140229. The reversal of 1214140224 is 4220414121.

It is a self number, because there is not a number n which added to its sum of digits gives 1214140224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214140229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985689 + ... + 986919.

It is an arithmetic number, because the mean of its divisors is an integer number (31382208).

Almost surely, 2^1214140224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214140224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1757403648).

1214140224 is an abundant number, since it is smaller than the sum of its proper divisors (2300667072).

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

1214140224 is a wasteful number, since it uses less digits than its factorization.

1214140224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724 (or 1714 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1214140224 is about 34844.5149772529. The cubic root of 1214140224 is about 1066.8162338879.

Adding to 1214140224 its reverse (4220414121), we get a palindrome (5434554345).

The spelling of 1214140224 in words is "one billion, two hundred fourteen million, one hundred forty thousand, two hundred twenty-four".