1066224 has 40 divisors (see below), whose sum is σ = 2794960. Its totient is φ = 350208.

The previous prime is 1066217. The next prime is 1066231. The reversal of 1066224 is 4226601.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1066217) and next prime (1066231).

It is a super-2 number, since 2×1066224² = 2273667236352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1066224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4542 + ... + 4770.

It is an arithmetic number, because the mean of its divisors is an integer number (69874).

2^1066224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1066224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1397480).

1066224 is an abundant number, since it is smaller than the sum of its proper divisors (1728736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1066224 is a wasteful number, since it uses less digits than its factorization.

1066224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1066224 is about 1032.5812316714. The cubic root of 1066224 is about 102.1604548784.

The spelling of 1066224 in words is "one million, sixty-six thousand, two hundred twenty-four".