442213617 has 16 divisors (see below), whose sum is σ = 619342848. Its totient is φ = 280117200.

The previous prime is 442213613. The next prime is 442213637. The reversal of 442213617 is 716312244.

It is not a de Polignac number, because 442213617 - 2² = 442213613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442213613) 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, 10803 + ... + 31640.

It is an arithmetic number, because the mean of its divisors is an integer number (38708928).

Almost surely, 2^442213617 is an apocalyptic number.

It is an amenable number.

442213617 is a deficient number, since it is larger than the sum of its proper divisors (177129231).

442213617 is a wasteful number, since it uses less digits than its factorization.

442213617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42620.

The product of its digits is 8064, while the sum is 30.

The square root of 442213617 is about 21028.8757902081. The cubic root of 442213617 is about 761.8638561271.

The spelling of 442213617 in words is "four hundred forty-two million, two hundred thirteen thousand, six hundred seventeen".