22666356356 has 48 divisors (see below), whose sum is σ = 47887580160. Its totient is φ = 9170301600.

The previous prime is 22666356313. The next prime is 22666356359. The reversal of 22666356356 is 65365366622.

It is not an unprimeable number, because it can be changed into a prime (22666356359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75281 + ... + 225831.

It is an arithmetic number, because the mean of its divisors is an integer number (997657920).

Almost surely, 2^22666356356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22666356356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23943790080).

22666356356 is an abundant number, since it is smaller than the sum of its proper divisors (25221223804).

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

22666356356 is a wasteful number, since it uses less digits than its factorization.

22666356356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150864 (or 150862 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 50.

The spelling of 22666356356 in words is "twenty-two billion, six hundred sixty-six million, three hundred fifty-six thousand, three hundred fifty-six".