442217041 has 4 divisors (see below), whose sum is σ = 505390912. Its totient is φ = 379043172.

The previous prime is 442217023. The next prime is 442217047. The reversal of 442217041 is 140712244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 442217041 - 2⁷ = 442216913 is a prime.

It is a super-2 number, since 2×442217041² = 391111822701591362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442216997 and 442217015.

It is not an unprimeable number, because it can be changed into a prime (442217047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31586925 + ... + 31586938.

It is an arithmetic number, because the mean of its divisors is an integer number (126347728).

Almost surely, 2^442217041 is an apocalyptic number.

It is an amenable number.

442217041 is a deficient number, since it is larger than the sum of its proper divisors (63173871).

442217041 is an equidigital number, since it uses as much as digits as its factorization.

442217041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63173870.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 442217041 is about 21028.9572019156. The cubic root of 442217041 is about 761.8658224581.

Adding to 442217041 its reverse (140712244), we get a palindrome (582929285).

The spelling of 442217041 in words is "four hundred forty-two million, two hundred seventeen thousand, forty-one".