1164244223 has 8 divisors (see below), whose sum is σ = 1181661600. Its totient is φ = 1146866688.

The previous prime is 1164244219. The next prime is 1164244229. The reversal of 1164244223 is 3224424611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1164244223 - 2² = 1164244219 is a prime.

It is a super-2 number, since 2×1164244223² = 2710929221577747458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164244229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51743 + ... + 70751.

It is an arithmetic number, because the mean of its divisors is an integer number (147707700).

Almost surely, 2^1164244223 is an apocalyptic number.

1164244223 is a deficient number, since it is larger than the sum of its proper divisors (17417377).

1164244223 is an equidigital number, since it uses as much as digits as its factorization.

1164244223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19921.

The product of its digits is 9216, while the sum is 29.

The square root of 1164244223 is about 34121.0231821966. The cubic root of 1164244223 is about 1051.9974744767.

Adding to 1164244223 its reverse (3224424611), we get a palindrome (4388668834).

The spelling of 1164244223 in words is "one billion, one hundred sixty-four million, two hundred forty-four thousand, two hundred twenty-three".