442202043 has 4 divisors (see below), whose sum is σ = 589602728. Its totient is φ = 294801360.

The previous prime is 442202027. The next prime is 442202093. The reversal of 442202043 is 340202244.

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

It is not a de Polignac number, because 442202043 - 2⁴ = 442202027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442202093) 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, 73700338 + ... + 73700343.

It is an arithmetic number, because the mean of its divisors is an integer number (147400682).

Almost surely, 2^442202043 is an apocalyptic number.

442202043 is a deficient number, since it is larger than the sum of its proper divisors (147400685).

442202043 is a wasteful number, since it uses less digits than its factorization.

442202043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147400684.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 442202043 is about 21028.6005953796. The cubic root of 442202043 is about 761.8572093476.

Adding to 442202043 its reverse (340202244), we get a palindrome (782404287).

The spelling of 442202043 in words is "four hundred forty-two million, two hundred two thousand, forty-three".