22664067231 has 16 divisors (see below), whose sum is σ = 32568439904. Its totient is φ = 13936333824.

The previous prime is 22664067203. The next prime is 22664067253. The reversal of 22664067231 is 13276046622.

It is not a de Polignac number, because 22664067231 - 2¹⁰ = 22664066207 is a prime.

It is a super-2 number, since 2×22664067231² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 22664067231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22664067281) 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, 173446 + ... + 274611.

It is an arithmetic number, because the mean of its divisors is an integer number (2035527494).

Almost surely, 2^22664067231 is an apocalyptic number.

22664067231 is a deficient number, since it is larger than the sum of its proper divisors (9904372673).

22664067231 is a wasteful number, since it uses less digits than its factorization.

22664067231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449370.

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 22664067231 in words is "twenty-two billion, six hundred sixty-four million, sixty-seven thousand, two hundred thirty-one".