1066240223 has 8 divisors (see below), whose sum is σ = 1073875440. Its totient is φ = 1058616000.

The previous prime is 1066240193. The next prime is 1066240247. The reversal of 1066240223 is 3220426601.

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 1066240223 - 2¹⁴ = 1066223839 is a prime.

It is a super-2 number, since 2×1066240223² = 2273736426286179458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1066240192 and 1066240201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066240283) 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, 326348 + ... + 329598.

It is an arithmetic number, because the mean of its divisors is an integer number (134234430).

Almost surely, 2^1066240223 is an apocalyptic number.

1066240223 is a deficient number, since it is larger than the sum of its proper divisors (7635217).

1066240223 is a wasteful number, since it uses less digits than its factorization.

1066240223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1066240223 is about 32653.3340257928. The cubic root of 1066240223 is about 1021.6097301236.

Adding to 1066240223 its reverse (3220426601), we get a palindrome (4286666824).

The spelling of 1066240223 in words is "one billion, sixty-six million, two hundred forty thousand, two hundred twenty-three".