822620220028 has 12 divisors (see below), whose sum is σ = 1452325079520. Its totient is φ = 407670197312.

The previous prime is 822620220017. The next prime is 822620220041. The reversal of 822620220028 is 820022026228.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 822620219975 and 822620220002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909977668 + ... + 909978571.

It is an arithmetic number, because the mean of its divisors is an integer number (121027089960).

Almost surely, 2^822620220028 is an apocalyptic number.

It is an amenable number.

822620220028 is a deficient number, since it is larger than the sum of its proper divisors (629704859492).

822620220028 is a wasteful number, since it uses less digits than its factorization.

822620220028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819956356 (or 1819956354 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The spelling of 822620220028 in words is "eight hundred twenty-two billion, six hundred twenty million, two hundred twenty thousand, twenty-eight".