1005442242 has 16 divisors (see below), whose sum is σ = 2298153792. Its totient is φ = 287269200.

The previous prime is 1005442241. The next prime is 1005442261. The reversal of 1005442242 is 2422445001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1005442241) 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, 11969509 + ... + 11969592.

It is an arithmetic number, because the mean of its divisors is an integer number (143634612).

Almost surely, 2^1005442242 is an apocalyptic number.

1005442242 is an abundant number, since it is smaller than the sum of its proper divisors (1292711550).

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

1005442242 is a wasteful number, since it uses less digits than its factorization.

1005442242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23939113.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 1005442242 is about 31708.7092452531. The cubic root of 1005442242 is about 1001.8107996919.

Adding to 1005442242 its reverse (2422445001), we get a palindrome (3427887243).

The spelling of 1005442242 in words is "one billion, five million, four hundred forty-two thousand, two hundred forty-two".