822280005180 has 72 divisors (see below), whose sum is σ = 2528417188752. Its totient is φ = 216270902016.

The previous prime is 822280005143. The next prime is 822280005199. The reversal of 822280005180 is 81500082228.

It is a happy number.

It is a super-2 number, since 2×822280005180² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31276054 + ... + 31302333.

Almost surely, 2^822280005180 is an apocalyptic number.

It is an amenable number.

822280005180 is an abundant number, since it is smaller than the sum of its proper divisors (1706137183572).

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

822280005180 is a wasteful number, since it uses less digits than its factorization.

822280005180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62578475 (or 62578470 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The spelling of 822280005180 in words is "eight hundred twenty-two billion, two hundred eighty million, five thousand, one hundred eighty".