1066442342 has 32 divisors (see below), whose sum is σ = 1880357952. Its totient is φ = 444040704.

The previous prime is 1066442329. The next prime is 1066442353. The reversal of 1066442342 is 2432446601.

It is a super-2 number, since 2×1066442342² = 2274598537620889928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066442299 and 1066442308.

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 15 ways as a sum of consecutive naturals, for example, 534098 + ... + 536090.

It is an arithmetic number, because the mean of its divisors is an integer number (58761186).

Almost surely, 2^1066442342 is an apocalyptic number.

1066442342 is a deficient number, since it is larger than the sum of its proper divisors (813915610).

1066442342 is a wasteful number, since it uses less digits than its factorization.

1066442342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 1066442342 is about 32656.4288004675. The cubic root of 1066442342 is about 1021.6742789581.

Adding to 1066442342 its reverse (2432446601), we get a palindrome (3498888943).

The spelling of 1066442342 in words is "one billion, sixty-six million, four hundred forty-two thousand, three hundred forty-two".