1066600223 has 8 divisors (see below), whose sum is σ = 1150753968. Its totient is φ = 982747584.

The previous prime is 1066600219. The next prime is 1066600253. The reversal of 1066600223 is 3220066601.

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

It is not a de Polignac number, because 1066600223 - 2² = 1066600219 is a prime.

It is a super-2 number, since 2×1066600223² = 2275272071407299458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066600192 and 1066600201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066600253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67886 + ... + 82107.

It is an arithmetic number, because the mean of its divisors is an integer number (143844246).

Almost surely, 2^1066600223 is an apocalyptic number.

1066600223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1066600223 is a deficient number, since it is larger than the sum of its proper divisors (84153745).

1066600223 is a wasteful number, since it uses less digits than its factorization.

1066600223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150553.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1066600223 is about 32658.8460145180. The cubic root of 1066600223 is about 1021.7246942473.

Adding to 1066600223 its reverse (3220066601), we get a palindrome (4286666824).

The spelling of 1066600223 in words is "one billion, sixty-six million, six hundred thousand, two hundred twenty-three".