442303452 has 36 divisors (see below), whose sum is σ = 1120054936. Its totient is φ = 147169440.

The previous prime is 442303427. The next prime is 442303453. The reversal of 442303452 is 254303244.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×442303452² = 391264687302232608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442303453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9798 + ... + 31314.

Almost surely, 2^442303452 is an apocalyptic number.

It is an amenable number.

442303452 is an abundant number, since it is smaller than the sum of its proper divisors (677751484).

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

442303452 is a wasteful number, since it uses less digits than its factorization.

442303452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22098 (or 22093 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 442303452 is about 21031.0116732410. The cubic root of 442303452 is about 761.9154431149.

Adding to 442303452 its reverse (254303244), we get a palindrome (696606696).

The spelling of 442303452 in words is "four hundred forty-two million, three hundred three thousand, four hundred fifty-two".