71022112 has 24 divisors (see below), whose sum is σ = 159800256. Its totient is φ = 30437952.

The previous prime is 71022103. The next prime is 71022113. The reversal of 71022112 is 21122017.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (71022113) 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, 158308 + ... + 158755.

It is an arithmetic number, because the mean of its divisors is an integer number (6658344).

Almost surely, 2^71022112 is an apocalyptic number.

It is an amenable number.

71022112 is an abundant number, since it is smaller than the sum of its proper divisors (88778144).

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

71022112 is a wasteful number, since it uses less digits than its factorization.

71022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317080 (or 317072 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 71022112 is about 8427.4617768341. The cubic root of 71022112 is about 414.1247572233.

Adding to 71022112 its reverse (21122017), we get a palindrome (92144129).

It can be divided in two parts, 710 and 22112, that added together give a palindrome (22822).

The spelling of 71022112 in words is "seventy-one million, twenty-two thousand, one hundred twelve".