22134145566 has 16 divisors (see below), whose sum is σ = 47673544464. Its totient is φ = 6810506304.

The previous prime is 22134145543. The next prime is 22134145567. The reversal of 22134145566 is 66554143122.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22134145567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141885471 + ... + 141885626.

It is an arithmetic number, because the mean of its divisors is an integer number (2979596529).

Almost surely, 2^22134145566 is an apocalyptic number.

22134145566 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22134145566 is an abundant number, since it is smaller than the sum of its proper divisors (25539398898).

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

22134145566 is a wasteful number, since it uses less digits than its factorization.

22134145566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283771115.

The product of its digits is 172800, while the sum is 39.

Adding to 22134145566 its reverse (66554143122), we get a palindrome (88688288688).

The spelling of 22134145566 in words is "twenty-two billion, one hundred thirty-four million, one hundred forty-five thousand, five hundred sixty-six".