442059213 has 4 divisors (see below), whose sum is σ = 589412288. Its totient is φ = 294706140.

The previous prime is 442059199. The next prime is 442059217. The reversal of 442059213 is 312950244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 442059213 - 2¹⁴ = 442042829 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 (442059217) 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, 73676533 + ... + 73676538.

It is an arithmetic number, because the mean of its divisors is an integer number (147353072).

Almost surely, 2^442059213 is an apocalyptic number.

It is an amenable number.

442059213 is a deficient number, since it is larger than the sum of its proper divisors (147353075).

442059213 is a wasteful number, since it uses less digits than its factorization.

442059213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147353074.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 442059213 is about 21025.2042320640. The cubic root of 442059213 is about 761.7751746120.

The spelling of 442059213 in words is "four hundred forty-two million, fifty-nine thousand, two hundred thirteen".