622245052340 has 24 divisors (see below), whose sum is σ = 1306961521992. Its totient is φ = 248850990080.

The previous prime is 622245052337. The next prime is 622245052361. The reversal of 622245052340 is 43250542226.

It can be written as a sum of positive squares in 4 ways, for example, as 339718785316 + 282526267024 = 582854^2 + 531532^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 622245052340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2830841 + ... + 3042720.

It is an arithmetic number, because the mean of its divisors is an integer number (54456730083).

Almost surely, 2^622245052340 is an apocalyptic number.

It is an amenable number.

622245052340 is an abundant number, since it is smaller than the sum of its proper divisors (684716469652).

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

622245052340 is a wasteful number, since it uses less digits than its factorization.

622245052340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5878867 (or 5878865 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 622245052340 its reverse (43250542226), we get a palindrome (665495594566).

The spelling of 622245052340 in words is "six hundred twenty-two billion, two hundred forty-five million, fifty-two thousand, three hundred forty".