22550122453251 has 32 divisors (see below), whose sum is σ = 30232621564416. Its totient is φ = 14950817280000.

The previous prime is 22550122453247. The next prime is 22550122453283. The reversal of 22550122453251 is 15235422105522.

It is not a de Polignac number, because 22550122453251 - 2² = 22550122453247 is a prime.

It is a super-2 number, since 2×22550122453251² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22550122453451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 523778676 + ... + 523821726.

It is an arithmetic number, because the mean of its divisors is an integer number (944769423888).

Almost surely, 2^{22550122453251} is an apocalyptic number.

22550122453251 is a deficient number, since it is larger than the sum of its proper divisors (7682499111165).

22550122453251 is a wasteful number, since it uses less digits than its factorization.

22550122453251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44763.

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 22550122453251 its reverse (15235422105522), we get a palindrome (37785544558773).

The spelling of 22550122453251 in words is "twenty-two trillion, five hundred fifty billion, one hundred twenty-two million, four hundred fifty-three thousand, two hundred fifty-one".