251300122022 has 4 divisors (see below), whose sum is σ = 376950183036. Its totient is φ = 125650061010.

The previous prime is 251300122013. The next prime is 251300122027. The reversal of 251300122022 is 220221003152.

251300122022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 251300121985 and 251300122003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251300122027) 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, 62825030504 + ... + 62825030507.

It is an arithmetic number, because the mean of its divisors is an integer number (94237545759).

Almost surely, 2^251300122022 is an apocalyptic number.

251300122022 is a deficient number, since it is larger than the sum of its proper divisors (125650061014).

251300122022 is a wasteful number, since it uses less digits than its factorization.

251300122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125650061013.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 251300122022 its reverse (220221003152), we get a palindrome (471521125174).

The spelling of 251300122022 in words is "two hundred fifty-one billion, three hundred million, one hundred twenty-two thousand, twenty-two".