1134344221 has 4 divisors (see below), whose sum is σ = 1141303552. Its totient is φ = 1127384892.

The previous prime is 1134344203. The next prime is 1134344243. The reversal of 1134344221 is 1224434311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1224434311 = 31 ⋅39497881.

It is a cyclic number.

It is not a de Polignac number, because 1134344221 - 2⁹ = 1134343709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134344921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3479421 + ... + 3479746.

It is an arithmetic number, because the mean of its divisors is an integer number (285325888).

Almost surely, 2^1134344221 is an apocalyptic number.

It is an amenable number.

1134344221 is a deficient number, since it is larger than the sum of its proper divisors (6959331).

1134344221 is an equidigital number, since it uses as much as digits as its factorization.

1134344221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6959330.

The product of its digits is 2304, while the sum is 25.

The square root of 1134344221 is about 33680.0270338371. The cubic root of 1134344221 is about 1042.9134961398.

Adding to 1134344221 its reverse (1224434311), we get a palindrome (2358778532).

The spelling of 1134344221 in words is "one billion, one hundred thirty-four million, three hundred forty-four thousand, two hundred twenty-one".