222765 has 8 divisors (see below), whose sum is σ = 356448. Its totient is φ = 118800.

The previous prime is 222731. The next prime is 222773. The reversal of 222765 is 567222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222765 - 2¹⁵ = 189997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7411 + ... + 7440.

It is an arithmetic number, because the mean of its divisors is an integer number (44556).

2²²²⁷⁶⁵ is an apocalyptic number.

It is an amenable number.

222765 is a deficient number, since it is larger than the sum of its proper divisors (133683).

222765 is a wasteful number, since it uses less digits than its factorization.

222765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14859.

The product of its digits is 1680, while the sum is 24.

The square root of 222765 is about 471.9798724522. The cubic root of 222765 is about 60.6199609657.

Adding to 222765 its reverse (567222), we get a palindrome (789987).

The spelling of 222765 in words is "two hundred twenty-two thousand, seven hundred sixty-five".