622793856 has 64 divisors (see below), whose sum is σ = 1741384800. Its totient is φ = 196669440.

The previous prime is 622793833. The next prime is 622793863. The reversal of 622793856 is 658397226.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

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 7 ways as a sum of consecutive naturals, for example, 35385 + ... + 49976.

Almost surely, 2^622793856 is an apocalyptic number.

It is an amenable number.

622793856 is an abundant number, since it is smaller than the sum of its proper divisors (1118590944).

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

622793856 is a wasteful number, since it uses less digits than its factorization.

622793856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85397 (or 85385 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 622793856 is about 24955.8381145575. The cubic root of 622793856 is about 853.9807998433.

The spelling of 622793856 in words is "six hundred twenty-two million, seven hundred ninety-three thousand, eight hundred fifty-six".