10442881 has 4 divisors (see below), whose sum is σ = 10471252. Its totient is φ = 10414512.

The previous prime is 10442819. The next prime is 10442891. The reversal of 10442881 is 18824401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8071281 + 2371600 = 2841^2 + 1540^2 .

It is a cyclic number.

It is not a de Polignac number, because 10442881 - 2¹⁹ = 9918593 is a prime.

It is a super-2 number, since 2×10442881² = 218107527160322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10442801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13626 + ... + 14371.

It is an arithmetic number, because the mean of its divisors is an integer number (2617813).

Almost surely, 2^10442881 is an apocalyptic number.

It is an amenable number.

10442881 is a deficient number, since it is larger than the sum of its proper divisors (28371).

10442881 is an equidigital number, since it uses as much as digits as its factorization.

10442881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28370.

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 10442881 is about 3231.5446770856. The cubic root of 10442881 is about 218.5781653534.

The spelling of 10442881 in words is "ten million, four hundred forty-two thousand, eight hundred eighty-one".