22664097218 has 32 divisors (see below), whose sum is σ = 41019139200. Its totient is φ = 9174622464.

The previous prime is 22664097217. The next prime is 22664097223. The reversal of 22664097218 is 81279046622.

It is a super-2 number, since 2×22664097218² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22664097217) 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 15 ways as a sum of consecutive naturals, for example, 36773 + ... + 216056.

It is an arithmetic number, because the mean of its divisors is an integer number (1281848100).

Almost surely, 2^22664097218 is an apocalyptic number.

22664097218 is a deficient number, since it is larger than the sum of its proper divisors (18355041982).

22664097218 is a wasteful number, since it uses less digits than its factorization.

22664097218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253194.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 22664097218 in words is "twenty-two billion, six hundred sixty-four million, ninety-seven thousand, two hundred eighteen".