222559 has 4 divisors (see below), whose sum is σ = 223504. Its totient is φ = 221616.

The previous prime is 222557. The next prime is 222587. The reversal of 222559 is 955222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 222559 - 2¹ = 222557 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 2¹² + 5⁶ + 2¹⁶ + 5⁷ + 9⁵ .

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214 + ... + 700.

It is an arithmetic number, because the mean of its divisors is an integer number (55876).

2²²²⁵⁵⁹ is an apocalyptic number.

222559 is a deficient number, since it is larger than the sum of its proper divisors (945).

222559 is an equidigital number, since it uses as much as digits as its factorization.

222559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944.

The product of its digits is 1800, while the sum is 25.

The square root of 222559 is about 471.7615923324. The cubic root of 222559 is about 60.6012692753.

The spelling of 222559 in words is "two hundred twenty-two thousand, five hundred fifty-nine".