442022052 has 24 divisors (see below), whose sum is σ = 1032269056. Its totient is φ = 147214368.

The previous prime is 442022051. The next prime is 442022071. The reversal of 442022052 is 250220244.

It is not an unprimeable number, because it can be changed into a prime (442022051) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 628 + ... + 29739.

Almost surely, 2^442022052 is an apocalyptic number.

It is an amenable number.

442022052 is an abundant number, since it is smaller than the sum of its proper divisors (590247004).

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

442022052 is a wasteful number, since it uses less digits than its factorization.

442022052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31587 (or 31585 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 442022052 is about 21024.3204884248. The cubic root of 442022052 is about 761.7538282103.

Adding to 442022052 its reverse (250220244), we get a palindrome (692242296).

The spelling of 442022052 in words is "four hundred forty-two million, twenty-two thousand, fifty-two".