442237052 has 6 divisors (see below), whose sum is σ = 773914848. Its totient is φ = 221118524.

The previous prime is 442237043. The next prime is 442237057. The reversal of 442237052 is 250732244.

It is a super-2 number, since 2×442237052² = 391147220323301408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442237057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55279628 + ... + 55279635.

It is an arithmetic number, because the mean of its divisors is an integer number (128985808).

Almost surely, 2^442237052 is an apocalyptic number.

It is an amenable number.

442237052 is a deficient number, since it is larger than the sum of its proper divisors (331677796).

442237052 is a wasteful number, since it uses less digits than its factorization.

442237052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110559267 (or 110559265 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 442237052 is about 21029.4329928317. The cubic root of 442237052 is about 761.8773141508.

Adding to 442237052 its reverse (250732244), we get a palindrome (692969296).

The spelling of 442237052 in words is "four hundred forty-two million, two hundred thirty-seven thousand, fifty-two".