22305134542650 has 96 divisors (see below), whose sum is σ = 55499988898368. Its totient is φ = 5928336960000.

The previous prime is 22305134542637. The next prime is 22305134542657. The reversal of 22305134542650 is 5624543150322.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22305134542657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 332864049 + ... + 332931051.

It is an arithmetic number, because the mean of its divisors is an integer number (578124884358).

Almost surely, 2^{22305134542650} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22305134542650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27749994449184).

22305134542650 is an abundant number, since it is smaller than the sum of its proper divisors (33194854355718).

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

22305134542650 is a wasteful number, since it uses less digits than its factorization.

22305134542650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74336 (or 74331 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 22305134542650 its reverse (5624543150322), we get a palindrome (27929677692972).

The spelling of 22305134542650 in words is "twenty-two trillion, three hundred five billion, one hundred thirty-four million, five hundred forty-two thousand, six hundred fifty".