442224671 has 4 divisors (see below), whose sum is σ = 505399632. Its totient is φ = 379049712.

The previous prime is 442224667. The next prime is 442224701. The reversal of 442224671 is 176422244.

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

It is a cyclic number.

It is not a de Polignac number, because 442224671 - 2² = 442224667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442224631) 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, 31587470 + ... + 31587483.

It is an arithmetic number, because the mean of its divisors is an integer number (126349908).

Almost surely, 2^442224671 is an apocalyptic number.

442224671 is a deficient number, since it is larger than the sum of its proper divisors (63174961).

442224671 is an equidigital number, since it uses as much as digits as its factorization.

442224671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63174960.

The product of its digits is 21504, while the sum is 32.

The square root of 442224671 is about 21029.1386176420. The cubic root of 442224671 is about 761.8702041699.

The spelling of 442224671 in words is "four hundred forty-two million, two hundred twenty-four thousand, six hundred seventy-one".