442223565 has 16 divisors (see below), whose sum is σ = 808637568. Its totient is φ = 202159296.

The previous prime is 442223563. The next prime is 442223591. The reversal of 442223565 is 565322244.

It is a happy number.

It is not a de Polignac number, because 442223565 - 2¹ = 442223563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442223563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2105722 + ... + 2105931.

It is an arithmetic number, because the mean of its divisors is an integer number (50539848).

Almost surely, 2^442223565 is an apocalyptic number.

It is an amenable number.

442223565 is a deficient number, since it is larger than the sum of its proper divisors (366414003).

442223565 is a wasteful number, since it uses less digits than its factorization.

442223565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211668.

The product of its digits is 57600, while the sum is 33.

The square root of 442223565 is about 21029.1123207804. The cubic root of 442223565 is about 761.8695690258.

The spelling of 442223565 in words is "four hundred forty-two million, two hundred twenty-three thousand, five hundred sixty-five".