1066522 has 4 divisors (see below), whose sum is σ = 1599786. Its totient is φ = 533260.

The previous prime is 1066517. The next prime is 1066523. The reversal of 1066522 is 2256601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 561001 + 505521 = 749^2 + 711^2 .

It is a super-2 number, since 2×1066522² = 2274938352968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1066493 and 1066502.

It is not an unprimeable number, because it can be changed into a prime (1066523) by changing a digit.

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 as a sum of consecutive naturals, namely, 266629 + ... + 266632.

2^1066522 is an apocalyptic number.

1066522 is a deficient number, since it is larger than the sum of its proper divisors (533264).

1066522 is an equidigital number, since it uses as much as digits as its factorization.

1066522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533263.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1066522 is about 1032.7255201650. The cubic root of 1066522 is about 102.1699716340.

The spelling of 1066522 in words is "one million, sixty-six thousand, five hundred twenty-two".