622993636322 has 18 divisors (see below), whose sum is σ = 945259058529. Its totient is φ = 307947739440.

The previous prime is 622993636267. The next prime is 622993636333. The reversal of 622993636322 is 223636399226.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 556887570001 + 66106066321 = 746249^2 + 257111^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=558119.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 99342047 + ... + 99348317.

Almost surely, 2^622993636322 is an apocalyptic number.

622993636322 is a deficient number, since it is larger than the sum of its proper divisors (322265422207).

622993636322 is an frugal number, since it uses more digits than its factorization.

622993636322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12722 (or 6362 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 53.

The spelling of 622993636322 in words is "six hundred twenty-two billion, nine hundred ninety-three million, six hundred thirty-six thousand, three hundred twenty-two".