622648283425 has 18 divisors (see below), whose sum is σ = 898138382838. Its totient is φ = 426958822080.

The previous prime is 622648283423. The next prime is 622648283473. The reversal of 622648283425 is 524382846226.

It can be written as a sum of positive squares in 3 ways, for example, as 108347281 + 622539936144 = 10409^2 + 789012^2 .

It is not a de Polignac number, because 622648283425 - 2¹ = 622648283423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622648283423) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 254140932 + ... + 254143381.

Almost surely, 2^622648283425 is an apocalyptic number.

It is an amenable number.

622648283425 is a deficient number, since it is larger than the sum of its proper divisors (275490099413).

622648283425 is a wasteful number, since it uses less digits than its factorization.

622648283425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508284337 (or 508284325 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 52.

The spelling of 622648283425 in words is "six hundred twenty-two billion, six hundred forty-eight million, two hundred eighty-three thousand, four hundred twenty-five".