442424442 has 32 divisors (see below), whose sum is σ = 905916672. Its totient is φ = 143979264.

The previous prime is 442424441. The next prime is 442424447. The reversal of 442424442 is 244424244.

It is a super-2 number, since 2×442424442² = 391478773758022728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442424441) 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, 127158 + ... + 130590.

It is an arithmetic number, because the mean of its divisors is an integer number (28309896).

Almost surely, 2^442424442 is an apocalyptic number.

442424442 is an abundant number, since it is smaller than the sum of its proper divisors (463492230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442424442 is a wasteful number, since it uses less digits than its factorization.

442424442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942.

The product of its digits is 32768, while the sum is 30.

The square root of 442424442 is about 21033.8879430314. The cubic root of 442424442 is about 761.9849095599.

Adding to 442424442 its reverse (244424244), we get a palindrome (686848686).

It can be divided in two parts, 44242 and 4442, that added together give a palindrome (48684).

The spelling of 442424442 in words is "four hundred forty-two million, four hundred twenty-four thousand, four hundred forty-two".