It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-222599 is a prime.
It is a Duffinian number.
It is a plaindrome in base 10.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 222599.
2222599 is an apocalyptic number.
222599 is a wasteful number, since it uses less digits than its factorization.
222599 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17136.
The square root of 222599 is about 471.8039847225. The cubic root of 222599 is about 60.6048996318.
The spelling of 222599 in words is "two hundred twenty-two thousand, five hundred ninety-nine".