71222085228 has 48 divisors (see below), whose sum is σ = 191200262400. Its totient is φ = 20212592064.

The previous prime is 71222085227. The next prime is 71222085247. The reversal of 71222085228 is 82258022217.

It is not an unprimeable number, because it can be changed into a prime (71222085227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2832726 + ... + 2857757.

It is an arithmetic number, because the mean of its divisors is an integer number (3983338800).

Almost surely, 2^71222085228 is an apocalyptic number.

It is an amenable number.

71222085228 is an abundant number, since it is smaller than the sum of its proper divisors (119978177172).

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

71222085228 is a wasteful number, since it uses less digits than its factorization.

71222085228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5690646 (or 5690644 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The spelling of 71222085228 in words is "seventy-one billion, two hundred twenty-two million, eighty-five thousand, two hundred twenty-eight".