22730658012 has 36 divisors (see below), whose sum is σ = 57464466696. Its totient is φ = 7576040160.

The previous prime is 22730658011. The next prime is 22730658019. The reversal of 22730658012 is 21085603722.

22730658012 is a `hidden beast` number, since 2 + 2 + 73 + 0 + 6 + 580 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22730658011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 349138 + ... + 409094.

It is an arithmetic number, because the mean of its divisors is an integer number (1596235186).

Almost surely, 2^22730658012 is an apocalyptic number.

It is an amenable number.

22730658012 is an abundant number, since it is smaller than the sum of its proper divisors (34733808684).

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

22730658012 is a wasteful number, since it uses less digits than its factorization.

22730658012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70498 (or 70493 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 22730658012 in words is "twenty-two billion, seven hundred thirty million, six hundred fifty-eight thousand, twelve".