90227 has 2 divisors, whose sum is σ = 90228. Its totient is φ = 90226.

The previous prime is 90217. The next prime is 90239. The reversal of 90227 is 72209.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90227 - 2⁶ = 90163 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 90199 and 90208.

It is not a weakly prime, because it can be changed into another prime (90217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45113 + 45114.

It is an arithmetic number, because the mean of its divisors is an integer number (45114).

2⁹⁰²²⁷ is an apocalyptic number.

90227 is a deficient number, since it is larger than the sum of its proper divisors (1).

90227 is an equidigital number, since it uses as much as digits as its factorization.

90227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 90227 is about 300.3780950735. The cubic root of 90227 is about 44.8516928288.

It can be divided in two parts, 902 and 27, that added together give a palindrome (929).

The spelling of 90227 in words is "ninety thousand, two hundred twenty-seven".