1152216244 has 24 divisors (see below), whose sum is σ = 2027531520. Its totient is φ = 572931744.

The previous prime is 1152216203. The next prime is 1152216269. The reversal of 1152216244 is 4426122511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664002 + ... + 665734.

It is an arithmetic number, because the mean of its divisors is an integer number (84480480).

Almost surely, 2^1152216244 is an apocalyptic number.

It is an amenable number.

1152216244 is a deficient number, since it is larger than the sum of its proper divisors (875315276).

1152216244 is a wasteful number, since it uses less digits than its factorization.

1152216244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559 (or 2557 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 1152216244 is about 33944.3109224506. The cubic root of 1152216244 is about 1048.3621461264.

Adding to 1152216244 its reverse (4426122511), we get a palindrome (5578338755).

The spelling of 1152216244 in words is "one billion, one hundred fifty-two million, two hundred sixteen thousand, two hundred forty-four".