1136221556 has 24 divisors (see below), whose sum is σ = 2007888960. Its totient is φ = 562560192.

The previous prime is 1136221553. The next prime is 1136221589. The reversal of 1136221556 is 6551226311.

It is a super-2 number, since 2×1136221556² = 2581998848638122272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136221553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238211 + ... + 242933.

It is an arithmetic number, because the mean of its divisors is an integer number (83662040).

Almost surely, 2^1136221556 is an apocalyptic number.

It is an amenable number.

1136221556 is a deficient number, since it is larger than the sum of its proper divisors (871667404).

1136221556 is a wasteful number, since it uses less digits than its factorization.

1136221556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5303 (or 5301 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 1136221556 is about 33707.8856649301. The cubic root of 1136221556 is about 1043.4885182127.

Adding to 1136221556 its reverse (6551226311), we get a palindrome (7687447867).

The spelling of 1136221556 in words is "one billion, one hundred thirty-six million, two hundred twenty-one thousand, five hundred fifty-six".