622945220345 has 64 divisors (see below), whose sum is σ = 866816640000. Its totient is φ = 420976106496.

The previous prime is 622945220333. The next prime is 622945220369. The reversal of 622945220345 is 543022549226.

It is a cyclic number.

It is not a de Polignac number, because 622945220345 - 2²⁰ = 622944171769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 622945220296 and 622945220305.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 428729639 + ... + 428731091.

It is an arithmetic number, because the mean of its divisors is an integer number (13544010000).

Almost surely, 2^622945220345 is an apocalyptic number.

It is an amenable number.

622945220345 is a deficient number, since it is larger than the sum of its proper divisors (243871419655).

622945220345 is a wasteful number, since it uses less digits than its factorization.

622945220345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 622945220345 in words is "six hundred twenty-two billion, nine hundred forty-five million, two hundred twenty thousand, three hundred forty-five".