442422205 has 8 divisors (see below), whose sum is σ = 531044352. Its totient is φ = 353845968.

The previous prime is 442422193. The next prime is 442422241. The reversal of 442422205 is 502224244.

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 442422205 - 2⁷ = 442422077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442422205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15492 + ... + 33538.

It is an arithmetic number, because the mean of its divisors is an integer number (66380544).

Almost surely, 2^442422205 is an apocalyptic number.

It is an amenable number.

442422205 is a deficient number, since it is larger than the sum of its proper divisors (88622147).

442422205 is a wasteful number, since it uses less digits than its factorization.

442422205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22955.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 442422205 is about 21033.8347668703. The cubic root of 442422205 is about 761.9836253006.

Adding to 442422205 its reverse (502224244), we get a palindrome (944646449).

The spelling of 442422205 in words is "four hundred forty-two million, four hundred twenty-two thousand, two hundred five".