622021623636 has 48 divisors (see below), whose sum is σ = 1667888593280. Its totient is φ = 176738578560.

The previous prime is 622021623611. The next prime is 622021623647. The reversal of 622021623636 is 636326120226.

It is a junction number, because it is equal to n+sod(n) for n = 622021623594 and 622021623603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20440651 + ... + 20471058.

Almost surely, 2^622021623636 is an apocalyptic number.

It is an amenable number.

622021623636 is an abundant number, since it is smaller than the sum of its proper divisors (1045866969644).

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

622021623636 is a wasteful number, since it uses less digits than its factorization.

622021623636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40911904 (or 40911902 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 39.

The spelling of 622021623636 in words is "six hundred twenty-two billion, twenty-one million, six hundred twenty-three thousand, six hundred thirty-six".