622286856 has 96 divisors (see below), whose sum is σ = 1724224320. Its totient is φ = 202704000.

The previous prime is 622286849. The next prime is 622286911. The reversal of 622286856 is 658682226.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 603061 + ... + 604091.

It is an arithmetic number, because the mean of its divisors is an integer number (17960670).

Almost surely, 2^622286856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622286856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (862112160).

622286856 is an abundant number, since it is smaller than the sum of its proper divisors (1101937464).

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

622286856 is a wasteful number, since it uses less digits than its factorization.

622286856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227 (or 1220 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 622286856 is about 24945.6781026293. The cubic root of 622286856 is about 853.7490025405.

The spelling of 622286856 in words is "six hundred twenty-two million, two hundred eighty-six thousand, eight hundred fifty-six".