22148284209 has 8 divisors (see below), whose sum is σ = 29532196992. Its totient is φ = 14764947120.

The previous prime is 22148284189. The next prime is 22148284259. The reversal of 22148284209 is 90248284122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22148284209 - 2⁹ = 22148283697 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22148284259) 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, 44302 + ... + 215079.

It is an arithmetic number, because the mean of its divisors is an integer number (3691524624).

Almost surely, 2^22148284209 is an apocalyptic number.

It is an amenable number.

22148284209 is a deficient number, since it is larger than the sum of its proper divisors (7383912783).

22148284209 is a wasteful number, since it uses less digits than its factorization.

22148284209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287847.

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 22148284209 in words is "twenty-two billion, one hundred forty-eight million, two hundred eighty-four thousand, two hundred nine".