222761 has 12 divisors (see below), whose sum is σ = 280896. Its totient is φ = 172920.

The previous prime is 222731. The next prime is 222773. The reversal of 222761 is 167222.

222761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222761 - 2¹⁰ = 221737 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (222731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 716 + ... + 978.

It is an arithmetic number, because the mean of its divisors is an integer number (23408).

2²²²⁷⁶¹ is an apocalyptic number.

It is an amenable number.

222761 is a deficient number, since it is larger than the sum of its proper divisors (58135).

222761 is a wasteful number, since it uses less digits than its factorization.

222761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 281 counting only the distinct ones).

The product of its digits is 336, while the sum is 20.

The square root of 222761 is about 471.9756349643. The cubic root of 222761 is about 60.6195981300.

Adding to 222761 its reverse (167222), we get a palindrome (389983).

The spelling of 222761 in words is "two hundred twenty-two thousand, seven hundred sixty-one".