442222240043 has 4 divisors (see below), whose sum is σ = 443016176400. Its totient is φ = 441428303688.

The previous prime is 442222239989. The next prime is 442222240051. The reversal of 442222240043 is 340042222244.

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

It is a cyclic number.

It is not a de Polignac number, because 442222240043 - 2⁸ = 442222239787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442222239988 and 442222240015.

It is not an unprimeable number, because it can be changed into a prime (442222240543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396967343 + ... + 396968456.

It is an arithmetic number, because the mean of its divisors is an integer number (110754044100).

Almost surely, 2^442222240043 is an apocalyptic number.

442222240043 is a deficient number, since it is larger than the sum of its proper divisors (793936357).

442222240043 is an equidigital number, since it uses as much as digits as its factorization.

442222240043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793936356.

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 442222240043 its reverse (340042222244), we get a palindrome (782264462287).

The spelling of 442222240043 in words is "four hundred forty-two billion, two hundred twenty-two million, two hundred forty thousand, forty-three".