1066223 has 8 divisors (see below), whose sum is σ = 1188720. Its totient is φ = 950400.

The previous prime is 1066217. The next prime is 1066231. The reversal of 1066223 is 3226601.

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 1066223 - 2⁶ = 1066159 is a prime.

It is a super-2 number, since 2×1066223² = 2273662971458, 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 = 1066195 and 1066204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066253) 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, 1328 + ... + 1973.

It is an arithmetic number, because the mean of its divisors is an integer number (148590).

2^1066223 is an apocalyptic number.

1066223 is a deficient number, since it is larger than the sum of its proper divisors (122497).

1066223 is a wasteful number, since it uses less digits than its factorization.

1066223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1066223 is about 1032.5807474479. The cubic root of 1066223 is about 102.1604229400.

The spelling of 1066223 in words is "one million, sixty-six thousand, two hundred twenty-three".