It is a happy number.
It is a semiprime because it is the product of two primes.
It is a de Polignac number, because none of the positive numbers 2k-22664279 is a prime.
It is a Duffinian number.
It is a congruent number.
Almost surely, 222664279 is an apocalyptic number.
22664279 is a wasteful number, since it uses less digits than its factorization.
22664279 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2060400.
The square root of 22664279 is about 4760.7015239353. The cubic root of 22664279 is about 282.9962208205.
The spelling of 22664279 in words is "twenty-two million, six hundred sixty-four thousand, two hundred seventy-nine".