251302240210022 has 16 divisors (see below), whose sum is σ = 383136531418752. Its totient is φ = 123590101864320.

The previous prime is 251302240209947. The next prime is 251302240210061. The reversal of 251302240210022 is 220012042203152.

It is a junction number, because it is equal to n+sod(n) for n = 251302240209973 and 251302240210000.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 3382478 + ... + 22672574.

It is an arithmetic number, because the mean of its divisors is an integer number (23946033213672).

Almost surely, 2^{251302240210022} is an apocalyptic number.

251302240210022 is a deficient number, since it is larger than the sum of its proper divisors (131834291208730).

251302240210022 is a wasteful number, since it uses less digits than its factorization.

251302240210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19396943.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 251302240210022 its reverse (220012042203152), we get a palindrome (471314282413174).

The spelling of 251302240210022 in words is "two hundred fifty-one trillion, three hundred two billion, two hundred forty million, two hundred ten thousand, twenty-two".