442017106 has 4 divisors (see below), whose sum is σ = 663025662. Its totient is φ = 221008552.

The previous prime is 442017097. The next prime is 442017113. The reversal of 442017106 is 601710244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 341917081 + 100100025 = 18491^2 + 10005^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110504275 + ... + 110504278.

Almost surely, 2^442017106 is an apocalyptic number.

442017106 is a deficient number, since it is larger than the sum of its proper divisors (221008556).

442017106 is a wasteful number, since it uses less digits than its factorization.

442017106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221008555.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 442017106 is about 21024.2028624155. The cubic root of 442017106 is about 761.7509869882.

The spelling of 442017106 in words is "four hundred forty-two million, seventeen thousand, one hundred six".