22681950129 has 16 divisors (see below), whose sum is σ = 33606311040. Its totient is φ = 15119760240.

The previous prime is 22681950127. The next prime is 22681950211. The reversal of 22681950129 is 92105918622.

It is a happy number.

It is not a de Polignac number, because 22681950129 - 2¹ = 22681950127 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22681950127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268444 + ... + 342674.

It is an arithmetic number, because the mean of its divisors is an integer number (2100394440).

Almost surely, 2^22681950129 is an apocalyptic number.

It is an amenable number.

22681950129 is a deficient number, since it is larger than the sum of its proper divisors (10924360911).

22681950129 is a wasteful number, since it uses less digits than its factorization.

22681950129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85557 (or 85551 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 22681950129 in words is "twenty-two billion, six hundred eighty-one million, nine hundred fifty thousand, one hundred twenty-nine".