222201 has 12 divisors (see below), whose sum is σ = 366912. Its totient is φ = 126936.

The previous prime is 222199. The next prime is 222247. The reversal of 222201 is 102222.

It is not a de Polignac number, because 222201 - 2¹ = 222199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222601) 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, 1701 + ... + 1826.

It is an arithmetic number, because the mean of its divisors is an integer number (30576).

2²²²²⁰¹ is an apocalyptic number.

222201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222201 is a deficient number, since it is larger than the sum of its proper divisors (144711).

222201 is a wasteful number, since it uses less digits than its factorization.

222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540 (or 3537 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 222201 is about 471.3820106877. The cubic root of 222201 is about 60.5687581995.

Adding to 222201 its reverse (102222), we get a palindrome (324423).

The spelling of 222201 in words is "two hundred twenty-two thousand, two hundred one", and thus it is an iban number.