1134342221 has 32 divisors (see below), whose sum is σ = 1315699200. Its totient is φ = 971407360.

The previous prime is 1134342191. The next prime is 1134342229. The reversal of 1134342221 is 1222434311.

It is a cyclic number.

It is not a de Polignac number, because 1134342221 - 2¹⁴ = 1134325837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134342229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 804365 + ... + 805773.

It is an arithmetic number, because the mean of its divisors is an integer number (41115600).

Almost surely, 2^1134342221 is an apocalyptic number.

It is an amenable number.

1134342221 is a deficient number, since it is larger than the sum of its proper divisors (181356979).

1134342221 is a wasteful number, since it uses less digits than its factorization.

1134342221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549.

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

The square root of 1134342221 is about 33679.9973426365. The cubic root of 1134342221 is about 1042.9128832076.

Adding to 1134342221 its reverse (1222434311), we get a palindrome (2356776532).

The spelling of 1134342221 in words is "one billion, one hundred thirty-four million, three hundred forty-two thousand, two hundred twenty-one".