442882073 has 2 divisors, whose sum is σ = 442882074. Its totient is φ = 442882072.

The previous prime is 442882061. The next prime is 442882159. The reversal of 442882073 is 370288244.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325549849 + 117332224 = 18043^2 + 10832^2 .

It is a cyclic number.

It is not a de Polignac number, because 442882073 - 2⁶ = 442882009 is a prime.

It is a super-2 number, since 2×442882073² = 392289061169554658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (442882373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221441036 + 221441037.

It is an arithmetic number, because the mean of its divisors is an integer number (221441037).

Almost surely, 2^442882073 is an apocalyptic number.

It is an amenable number.

442882073 is a deficient number, since it is larger than the sum of its proper divisors (1).

442882073 is an equidigital number, since it uses as much as digits as its factorization.

442882073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 442882073 is about 21044.7635529602. The cubic root of 442882073 is about 762.2475440506.

The spelling of 442882073 in words is "four hundred forty-two million, eight hundred eighty-two thousand, seventy-three".