1232220004 has 6 divisors (see below), whose sum is σ = 2156385014. Its totient is φ = 616110000.

The previous prime is 1232220001. The next prime is 1232220029. The reversal of 1232220004 is 4000222321.

It can be written as a sum of positive squares in only one way, i.e., 1227801600 + 4418404 = 35040^2 + 2102^2 .

It is a super-2 number, since 2×1232220004² = 3036732276515520032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1232220004.

It is not an unprimeable number, because it can be changed into a prime (1232220001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154027497 + ... + 154027504.

Almost surely, 2^1232220004 is an apocalyptic number.

It is an amenable number.

1232220004 is a deficient number, since it is larger than the sum of its proper divisors (924165010).

1232220004 is a wasteful number, since it uses less digits than its factorization.

1232220004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308055005 (or 308055003 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1232220004 is about 35102.9913825019. The cubic root of 1232220004 is about 1072.0854903697.

Adding to 1232220004 its reverse (4000222321), we get a palindrome (5232442325).

The spelling of 1232220004 in words is "one billion, two hundred thirty-two million, two hundred twenty thousand, four".