1132344221 has 4 divisors (see below), whose sum is σ = 1132487772. Its totient is φ = 1132200672.

The previous prime is 1132344217. The next prime is 1132344233. The reversal of 1132344221 is 1224432311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 716632900 + 415711321 = 26770^2 + 20389^2 .

It is a cyclic number.

It is not a de Polignac number, because 1132344221 - 2² = 1132344217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132343221) 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, 59210 + ... + 75963.

It is an arithmetic number, because the mean of its divisors is an integer number (283121943).

Almost surely, 2^1132344221 is an apocalyptic number.

It is an amenable number.

1132344221 is a deficient number, since it is larger than the sum of its proper divisors (143551).

1132344221 is an equidigital number, since it uses as much as digits as its factorization.

1132344221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143550.

The product of its digits is 1152, while the sum is 23.

The square root of 1132344221 is about 33650.3227473378. The cubic root of 1132344221 is about 1042.3002037431.

Adding to 1132344221 its reverse (1224432311), we get a palindrome (2356776532).

The spelling of 1132344221 in words is "one billion, one hundred thirty-two million, three hundred forty-four thousand, two hundred twenty-one".