622111656072 has 16 divisors (see below), whose sum is σ = 1555279140240. Its totient is φ = 207370552016.

The previous prime is 622111656043. The next prime is 622111656121. The reversal of 622111656072 is 270656111226.

It is a self number, because there is not a number n which added to its sum of digits gives 622111656072.

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, 12960659478 + ... + 12960659525.

It is an arithmetic number, because the mean of its divisors is an integer number (97204946265).

Almost surely, 2^622111656072 is an apocalyptic number.

It is an amenable number.

622111656072 is an abundant number, since it is smaller than the sum of its proper divisors (933167484168).

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

622111656072 is a wasteful number, since it uses less digits than its factorization.

622111656072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25921319012 (or 25921319008 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

Adding to 622111656072 its reverse (270656111226), we get a palindrome (892767767298).

The spelling of 622111656072 in words is "six hundred twenty-two billion, one hundred eleven million, six hundred fifty-six thousand, seventy-two".