90226 has 8 divisors (see below), whose sum is σ = 136620. Its totient is φ = 44688.

The previous prime is 90217. The next prime is 90227. The reversal of 90226 is 62209.

It can be written as a sum of positive squares in 2 ways, for example, as 63001 + 27225 = 251^2 + 165^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (90227) by changing a digit.

90226 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280 + ... + 508.

2⁹⁰²²⁶ is an apocalyptic number.

90226 is a deficient number, since it is larger than the sum of its proper divisors (46394).

90226 is a wasteful number, since it uses less digits than its factorization.

90226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 90226 is about 300.3764305001. The cubic root of 90226 is about 44.8515271287.

The spelling of 90226 in words is "ninety thousand, two hundred twenty-six".