442022343 has 16 divisors (see below), whose sum is σ = 675567360. Its totient is φ = 251830656.

The previous prime is 442022333. The next prime is 442022369. The reversal of 442022343 is 343220244.

It is not a de Polignac number, because 442022343 - 2⁵ = 442022311 is a prime.

It is a super-2 number, since 2×442022343² = 390767503422419298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442022333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24153 + ... + 38306.

It is an arithmetic number, because the mean of its divisors is an integer number (42222960).

Almost surely, 2^442022343 is an apocalyptic number.

442022343 is a deficient number, since it is larger than the sum of its proper divisors (233545017).

442022343 is a wasteful number, since it uses less digits than its factorization.

442022343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62806.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 442022343 is about 21024.3274089803. The cubic root of 442022343 is about 761.7539953742.

Adding to 442022343 its reverse (343220244), we get a palindrome (785242587).

The spelling of 442022343 in words is "four hundred forty-two million, twenty-two thousand, three hundred forty-three".