442206667 has 8 divisors (see below), whose sum is σ = 505696256. Its totient is φ = 378796392.

The previous prime is 442206659. The next prime is 442206697. The reversal of 442206667 is 766602244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442206667 - 2³ = 442206659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442206617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7353 + ... + 30634.

It is an arithmetic number, because the mean of its divisors is an integer number (63212032).

Almost surely, 2^442206667 is an apocalyptic number.

442206667 is a deficient number, since it is larger than the sum of its proper divisors (63489589).

442206667 is a wasteful number, since it uses less digits than its factorization.

442206667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39657.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 442206667 is about 21028.7105405919. The cubic root of 442206667 is about 761.8598648573.

The spelling of 442206667 in words is "four hundred forty-two million, two hundred six thousand, six hundred sixty-seven".