222097 has 4 divisors (see below), whose sum is σ = 227556. Its totient is φ = 216640.

The previous prime is 222073. The next prime is 222107. The reversal of 222097 is 790222.

222097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 790222 = 2 ⋅395111.

It can be written as a sum of positive squares in 2 ways, for example, as 14161 + 207936 = 119^2 + 456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222097 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (222007) 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, 2668 + ... + 2749.

It is an arithmetic number, because the mean of its divisors is an integer number (56889).

2²²²⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

222097 is a deficient number, since it is larger than the sum of its proper divisors (5459).

222097 is an equidigital number, since it uses as much as digits as its factorization.

222097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5458.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 222097 is about 471.2716838513. The cubic root of 222097 is about 60.5593070961.

The spelling of 222097 in words is "two hundred twenty-two thousand, ninety-seven".