22266656634456 has 192 divisors, whose sum is σ = 65538044601120. Its totient is φ = 6788689367040.

The previous prime is 22266656634433. The next prime is 22266656634491. The reversal of 22266656634456 is 65443665666222.

It is a happy number.

22266656634456 is a nontrivial binomial coefficient, being equal to C(6673329, 2).

It is a junction number, because it is equal to n+sod(n) for n = 22266656634393 and 22266656634402.

It is a congruent 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 47 ways as a sum of consecutive naturals, for example, 390361170 + ... + 390418206.

Almost surely, 2^{22266656634456} is an apocalyptic number.

22266656634456 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22266656634456 is the 6673328-th triangular number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22266656634456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32769022300560).

22266656634456 is an abundant number, since it is smaller than the sum of its proper divisors (43271387966664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22266656634456 is a wasteful number, since it uses less digits than its factorization.

22266656634456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60866 (or 60859 counting only the distinct ones).

The product of its digits is 447897600, while the sum is 63.

The spelling of 22266656634456 in words is "twenty-two trillion, two hundred sixty-six billion, six hundred fifty-six million, six hundred thirty-four thousand, four hundred fifty-six".