85714220 has 24 divisors (see below), whose sum is σ = 180626544. Its totient is φ = 34166336.

The previous prime is 85714207. The next prime is 85714249. The reversal of 85714220 is 2241758.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1454 + ... + 13173.

It is an arithmetic number, because the mean of its divisors is an integer number (7526106).

Almost surely, 2^85714220 is an apocalyptic number.

It is an amenable number.

85714220 is an abundant number, since it is smaller than the sum of its proper divisors (94912324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85714220 is a wasteful number, since it uses less digits than its factorization.

85714220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14929 (or 14927 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 85714220 is about 9258.1974487478. The cubic root of 85714220 is about 440.9110256310.

Adding to 85714220 its reverse (2241758), we get a palindrome (87955978).

The spelling of 85714220 in words is "eighty-five million, seven hundred fourteen thousand, two hundred twenty".