1224004002 has 64 divisors (see below), whose sum is σ = 2684537856. Its totient is φ = 369794880.

The previous prime is 1224003943. The next prime is 1224004009. The reversal of 1224004002 is 2004004221.

It is not an unprimeable number, because it can be changed into a prime (1224004009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1051873 + ... + 1053035.

It is an arithmetic number, because the mean of its divisors is an integer number (41945904).

Almost surely, 2^1224004002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1224004002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1342268928).

1224004002 is an abundant number, since it is smaller than the sum of its proper divisors (1460533854).

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

1224004002 is a wasteful number, since it uses less digits than its factorization.

1224004002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 1224004002 is about 34985.7685638032. The cubic root of 1224004002 is about 1069.6974140757.

Adding to 1224004002 its reverse (2004004221), we get a palindrome (3228008223).

The spelling of 1224004002 in words is "one billion, two hundred twenty-four million, four thousand, two".