85442241 has 4 divisors (see below), whose sum is σ = 113922992. Its totient is φ = 56961492.

The previous prime is 85442239. The next prime is 85442251. The reversal of 85442241 is 14224458.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 85442241 - 2¹ = 85442239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85442199 and 85442208.

It is not an unprimeable number, because it can be changed into a prime (85442251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14240371 + ... + 14240376.

It is an arithmetic number, because the mean of its divisors is an integer number (28480748).

Almost surely, 2^85442241 is an apocalyptic number.

It is an amenable number.

85442241 is a deficient number, since it is larger than the sum of its proper divisors (28480751).

85442241 is a wasteful number, since it uses less digits than its factorization.

85442241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28480750.

The product of its digits is 10240, while the sum is 30.

The square root of 85442241 is about 9243.4972277813. The cubic root of 85442241 is about 440.4441812678. Note that the first 3 decimals are identical.

Adding to 85442241 its reverse (14224458), we get a palindrome (99666699).

The spelling of 85442241 in words is "eighty-five million, four hundred forty-two thousand, two hundred forty-one".