442000237 has 6 divisors (see below), whose sum is σ = 514163598. Its totient is φ = 378857304.

The previous prime is 442000219. The next prime is 442000243. The reversal of 442000237 is 732000244.

It can be written as a sum of positive squares in only one way, i.e., 282710596 + 159289641 = 16814^2 + 12621^2 .

It is not a de Polignac number, because 442000237 - 2¹⁵ = 441967469 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 (442000297) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4510158 + ... + 4510255.

It is an arithmetic number, because the mean of its divisors is an integer number (85693933).

Almost surely, 2^442000237 is an apocalyptic number.

It is an amenable number.

442000237 is a deficient number, since it is larger than the sum of its proper divisors (72163361).

442000237 is an equidigital number, since it uses as much as digits as its factorization.

442000237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9020427 (or 9020420 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 442000237 is about 21023.8016780981. The cubic root of 442000237 is about 761.7412964576.

The spelling of 442000237 in words is "four hundred forty-two million, two hundred thirty-seven", and thus it is an aban number.