1340224223 has 32 divisors (see below), whose sum is σ = 1643120640. Its totient is φ = 1079447040.

The previous prime is 1340224219. The next prime is 1340224273. The reversal of 1340224223 is 3224220431.

It is a cyclic number.

It is not a de Polignac number, because 1340224223 - 2² = 1340224219 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 (1340224273) 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 31 ways as a sum of consecutive naturals, for example, 193958 + ... + 200748.

It is an arithmetic number, because the mean of its divisors is an integer number (51347520).

Almost surely, 2^1340224223 is an apocalyptic number.

1340224223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1340224223 is a deficient number, since it is larger than the sum of its proper divisors (302896417).

1340224223 is a wasteful number, since it uses less digits than its factorization.

1340224223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6887.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1340224223 is about 36609.0729601283. The cubic root of 1340224223 is about 1102.5352605516.

Adding to 1340224223 its reverse (3224220431), we get a palindrome (4564444654).

The spelling of 1340224223 in words is "one billion, three hundred forty million, two hundred twenty-four thousand, two hundred twenty-three".