442000211 has 8 divisors (see below), whose sum is σ = 473150400. Its totient is φ = 411638760.

The previous prime is 442000199. The next prime is 442000219. The reversal of 442000211 is 112000244.

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 442000211 - 2¹⁸ = 441738067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442000219) 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, 196025 + ... + 198266.

It is an arithmetic number, because the mean of its divisors is an integer number (59143800).

Almost surely, 2^442000211 is an apocalyptic number.

442000211 is a deficient number, since it is larger than the sum of its proper divisors (31150189).

442000211 is a wasteful number, since it uses less digits than its factorization.

442000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394369.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 442000211 is about 21023.8010597513. The cubic root of 442000211 is about 761.7412815215.

Adding to 442000211 its reverse (112000244), we get a palindrome (554000455).

The spelling of 442000211 in words is "four hundred forty-two million, two hundred eleven", and thus it is an aban number.