1134244221 has 16 divisors (see below), whose sum is σ = 1652989440. Its totient is φ = 686095920.

The previous prime is 1134244207. The next prime is 1134244229. The reversal of 1134244221 is 1224424311.

It is not a de Polignac number, because 1134244221 - 2⁶ = 1134244157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1134244191 and 1134244200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134244229) 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 15 ways as a sum of consecutive naturals, for example, 15601 + ... + 50118.

It is an arithmetic number, because the mean of its divisors is an integer number (103311840).

Almost surely, 2^1134244221 is an apocalyptic number.

1134244221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1134244221 is a deficient number, since it is larger than the sum of its proper divisors (518745219).

1134244221 is a wasteful number, since it uses less digits than its factorization.

1134244221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66256.

The product of its digits is 1536, while the sum is 24.

The square root of 1134244221 is about 33678.5424417388. The cubic root of 1134244221 is about 1042.8828486484.

Adding to 1134244221 its reverse (1224424311), we get a palindrome (2358668532).

The spelling of 1134244221 in words is "one billion, one hundred thirty-four million, two hundred forty-four thousand, two hundred twenty-one".