22533255066 has 64 divisors (see below), whose sum is σ = 53799303168. Its totient is φ = 6151810368.

The previous prime is 22533255061. The next prime is 22533255079. The reversal of 22533255066 is 66055233522.

It is not an unprimeable number, because it can be changed into a prime (22533255061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 967045 + ... + 990071.

It is an arithmetic number, because the mean of its divisors is an integer number (840614112).

Almost surely, 2^22533255066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22533255066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26899651584).

22533255066 is an abundant number, since it is smaller than the sum of its proper divisors (31266048102).

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

22533255066 is a wasteful number, since it uses less digits than its factorization.

22533255066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24075.

The product of its (nonzero) digits is 324000, while the sum is 39.

Adding to 22533255066 its reverse (66055233522), we get a palindrome (88588488588).

The spelling of 22533255066 in words is "twenty-two billion, five hundred thirty-three million, two hundred fifty-five thousand, sixty-six".