222775 has 24 divisors (see below), whose sum is σ = 337280. Its totient is φ = 142560.

The previous prime is 222773. The next prime is 222779. The reversal of 222775 is 577222.

It is not a de Polignac number, because 222775 - 2¹ = 222773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

Its product of digits (1960) is a multiple of the sum of its prime divisors (98).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3292 + ... + 3358.

2²²²⁷⁷⁵ is an apocalyptic number.

222775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

222775 is a deficient number, since it is larger than the sum of its proper divisors (114505).

222775 is a wasteful number, since it uses less digits than its factorization.

222775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 98 counting only the distinct ones).

The product of its digits is 1960, while the sum is 25.

The square root of 222775 is about 471.9904660054. The cubic root of 222775 is about 60.6208680360.

222775 divided by its sum of digits (25) gives a triangular number (8911 = T₁₃₃).

Adding to 222775 its reverse (577222), we get a palindrome (799997).

The spelling of 222775 in words is "two hundred twenty-two thousand, seven hundred seventy-five".