22266615121751 has 64 divisors (see below), whose sum is σ = 30129901240320. Its totient is φ = 15891309527040.

The previous prime is 22266615121703. The next prime is 22266615121771. The reversal of 22266615121751 is 15712151666222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22266615121751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22266615121696 and 22266615121705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22266615121771) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73842455 + ... + 74143383.

It is an arithmetic number, because the mean of its divisors is an integer number (470779706880).

Almost surely, 2^{22266615121751} is an apocalyptic number.

22266615121751 is a deficient number, since it is larger than the sum of its proper divisors (7863286118569).

22266615121751 is a wasteful number, since it uses less digits than its factorization.

22266615121751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301536.

The product of its digits is 604800, while the sum is 47.

Adding to 22266615121751 its reverse (15712151666222), we get a palindrome (37978766787973).

The spelling of 22266615121751 in words is "twenty-two trillion, two hundred sixty-six billion, six hundred fifteen million, one hundred twenty-one thousand, seven hundred fifty-one".