22641365426 has 16 divisors (see below), whose sum is σ = 34802246688. Its totient is φ = 11041380000.

The previous prime is 22641365407. The next prime is 22641365449. The reversal of 22641365426 is 62456314622.

It is a super-2 number, since 2×22641365426² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 131075 + ... + 249926.

It is an arithmetic number, because the mean of its divisors is an integer number (2175140418).

Almost surely, 2^22641365426 is an apocalyptic number.

22641365426 is a deficient number, since it is larger than the sum of its proper divisors (12160881262).

22641365426 is a wasteful number, since it uses less digits than its factorization.

22641365426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381737.

The product of its digits is 414720, while the sum is 41.

The spelling of 22641365426 in words is "twenty-two billion, six hundred forty-one million, three hundred sixty-five thousand, four hundred twenty-six".