1042230442 has 16 divisors (see below), whose sum is σ = 1729491264. Its totient is φ = 467068000.

The previous prime is 1042230439. The next prime is 1042230443. The reversal of 1042230442 is 2440322401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1042230443) by changing a digit.

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, 332059 + ... + 335182.

It is an arithmetic number, because the mean of its divisors is an integer number (108093204).

Almost surely, 2^1042230442 is an apocalyptic number.

1042230442 is a deficient number, since it is larger than the sum of its proper divisors (687260822).

1042230442 is a wasteful number, since it uses less digits than its factorization.

1042230442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667325.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1042230442 is about 32283.5940068636. The cubic root of 1042230442 is about 1013.8831793702.

Adding to 1042230442 its reverse (2440322401), we get a palindrome (3482552843).

The spelling of 1042230442 in words is "one billion, forty-two million, two hundred thirty thousand, four hundred forty-two".