222117 has 12 divisors (see below), whose sum is σ = 344736. Its totient is φ = 126840.

The previous prime is 222113. The next prime is 222127. The reversal of 222117 is 711222.

It is not a de Polignac number, because 222117 - 2² = 222113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222096 and 222105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222113) 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, 609 + ... + 902.

It is an arithmetic number, because the mean of its divisors is an integer number (28728).

2²²²¹¹⁷ is an apocalyptic number.

It is an amenable number.

222117 is a deficient number, since it is larger than the sum of its proper divisors (122619).

222117 is a wasteful number, since it uses less digits than its factorization.

222117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528 (or 1521 counting only the distinct ones).

The product of its digits is 56, while the sum is 15.

The square root of 222117 is about 471.2929025564. The cubic root of 222117 is about 60.5611248451.

Adding to 222117 its reverse (711222), we get a palindrome (933339).

The spelling of 222117 in words is "two hundred twenty-two thousand, one hundred seventeen", and thus it is an iban number.