102227 has 4 divisors (see below), whose sum is σ = 103056. Its totient is φ = 101400.

The previous prime is 102217. The next prime is 102229. The reversal of 102227 is 722201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 722201 = 401 ⋅1801.

It is a cyclic number.

It is not a de Polignac number, because 102227 - 2¹⁰ = 101203 is a prime.

It is a super-4 number, since 4×102227⁴ (a number of 21 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102229) 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, 188 + ... + 489.

It is an arithmetic number, because the mean of its divisors is an integer number (25764).

2¹⁰²²²⁷ is an apocalyptic number.

102227 is a deficient number, since it is larger than the sum of its proper divisors (829).

102227 is an equidigital number, since it uses as much as digits as its factorization.

102227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 102227 is about 319.7295732334. The cubic root of 102227 is about 46.7579223422.

Adding to 102227 its reverse (722201), we get a palindrome (824428).

The spelling of 102227 in words is "one hundred two thousand, two hundred twenty-seven", and thus it is an iban number.