85220241 has 8 divisors (see below), whose sum is σ = 117545280. Its totient is φ = 54854352.

The previous prime is 85220207. The next prime is 85220279. The reversal of 85220241 is 14202258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85220241 - 2¹⁹ = 84695953 is a prime.

It is a super-3 number, since 3×85220241³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (85220341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489685 + ... + 489858.

It is an arithmetic number, because the mean of its divisors is an integer number (14693160).

Almost surely, 2^85220241 is an apocalyptic number.

It is an amenable number.

85220241 is a deficient number, since it is larger than the sum of its proper divisors (32325039).

85220241 is a wasteful number, since it uses less digits than its factorization.

85220241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979575.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 85220241 is about 9231.4809754448. The cubic root of 85220241 is about 440.0623895691.

Adding to 85220241 its reverse (14202258), we get a palindrome (99422499).

The spelling of 85220241 in words is "eighty-five million, two hundred twenty thousand, two hundred forty-one".