442334237 has 8 divisors (see below), whose sum is σ = 477191736. Its totient is φ = 408458752.

The previous prime is 442334227. The next prime is 442334251. The reversal of 442334237 is 732433244.

It can be written as a sum of positive squares in 4 ways, for example, as 263283076 + 179051161 = 16226^2 + 13381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442334237 - 2⁶ = 442334173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442334227) 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, 244568 + ... + 246369.

It is an arithmetic number, because the mean of its divisors is an integer number (59648967).

Almost surely, 2^442334237 is an apocalyptic number.

It is an amenable number.

442334237 is a deficient number, since it is larger than the sum of its proper divisors (34857499).

442334237 is a wasteful number, since it uses less digits than its factorization.

442334237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491007.

The product of its digits is 48384, while the sum is 32.

The square root of 442334237 is about 21031.7435558729. The cubic root of 442334237 is about 761.9331195334.

The spelling of 442334237 in words is "four hundred forty-two million, three hundred thirty-four thousand, two hundred thirty-seven".