442311205 has 16 divisors (see below), whose sum is σ = 610968960. Its totient is φ = 301113792.

The previous prime is 442311187. The next prime is 442311217. The reversal of 442311205 is 502113244.

It is not a de Polignac number, because 442311205 - 2¹³ = 442303013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40594 + ... + 50323.

It is an arithmetic number, because the mean of its divisors is an integer number (38185560).

Almost surely, 2^442311205 is an apocalyptic number.

It is an amenable number.

442311205 is a deficient number, since it is larger than the sum of its proper divisors (168657755).

442311205 is a wasteful number, since it uses less digits than its factorization.

442311205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91068.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 442311205 is about 21031.1959954730. The cubic root of 442311205 is about 761.9198948820.

Adding to 442311205 its reverse (502113244), we get a palindrome (944424449).

The spelling of 442311205 in words is "four hundred forty-two million, three hundred eleven thousand, two hundred five".