1066021244 has 24 divisors (see below), whose sum is σ = 1976300928. Its totient is φ = 501396480.

The previous prime is 1066021223. The next prime is 1066021289. The reversal of 1066021244 is 4421206601.

It is a super-2 number, since 2×1066021244² = 2272802585318615072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209717 + ... + 214739.

It is an arithmetic number, because the mean of its divisors is an integer number (82345872).

Almost surely, 2^1066021244 is an apocalyptic number.

It is an amenable number.

1066021244 is a deficient number, since it is larger than the sum of its proper divisors (910279684).

1066021244 is a wasteful number, since it uses less digits than its factorization.

1066021244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8165 (or 8163 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1066021244 is about 32649.9807656911. The cubic root of 1066021244 is about 1021.5397876632.

Adding to 1066021244 its reverse (4421206601), we get a palindrome (5487227845).

The spelling of 1066021244 in words is "one billion, sixty-six million, twenty-one thousand, two hundred forty-four".