622625263322 has 4 divisors (see below), whose sum is σ = 933937894986. Its totient is φ = 311312631660.

The previous prime is 622625263289. The next prime is 622625263331. The reversal of 622625263322 is 223362526226.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 422332316641 + 200292946681 = 649871^2 + 447541^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 622625263322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155656315829 + ... + 155656315832.

Almost surely, 2^622625263322 is an apocalyptic number.

622625263322 is a deficient number, since it is larger than the sum of its proper divisors (311312631664).

622625263322 is a wasteful number, since it uses less digits than its factorization.

622625263322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311312631663.

The product of its digits is 622080, while the sum is 41.

Adding to 622625263322 its reverse (223362526226), we get a palindrome (845987789548).

The spelling of 622625263322 in words is "six hundred twenty-two billion, six hundred twenty-five million, two hundred sixty-three thousand, three hundred twenty-two".