622252125238 has 4 divisors (see below), whose sum is σ = 933378187860. Its totient is φ = 311126062618.

The previous prime is 622252125217. The next prime is 622252125239. The reversal of 622252125238 is 832521252226.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 622252125238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622252125239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155563031308 + ... + 155563031311.

It is an arithmetic number, because the mean of its divisors is an integer number (233344546965).

Almost surely, 2^622252125238 is an apocalyptic number.

622252125238 is a deficient number, since it is larger than the sum of its proper divisors (311126062622).

622252125238 is a wasteful number, since it uses less digits than its factorization.

622252125238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311126062621.

The product of its digits is 230400, while the sum is 40.

The spelling of 622252125238 in words is "six hundred twenty-two billion, two hundred fifty-two million, one hundred twenty-five thousand, two hundred thirty-eight".