43221304004 has 6 divisors (see below), whose sum is σ = 75637282014. Its totient is φ = 21610652000.

The previous prime is 43221304001. The next prime is 43221304037. The reversal of 43221304004 is 40040312234.

It can be written as a sum of positive squares in only one way, i.e., 37674033604 + 5547270400 = 194098^2 + 74480^2 .

It is a super-2 number, since 2×43221304004² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43221304001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5402662997 + ... + 5402663004.

It is an arithmetic number, because the mean of its divisors is an integer number (12606213669).

Almost surely, 2^43221304004 is an apocalyptic number.

It is an amenable number.

43221304004 is a deficient number, since it is larger than the sum of its proper divisors (32415978010).

43221304004 is a wasteful number, since it uses less digits than its factorization.

43221304004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10805326005 (or 10805326003 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 43221304004 its reverse (40040312234), we get a palindrome (83261616238).

The spelling of 43221304004 in words is "forty-three billion, two hundred twenty-one million, three hundred four thousand, four".