226890 has 24 divisors (see below), whose sum is σ = 590148. Its totient is φ = 60480.

The previous prime is 226871. The next prime is 226901. The reversal of 226890 is 98622.

It can be written as a sum of positive squares in 2 ways, for example, as 184041 + 42849 = 429^2 + 207^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1171 + ... + 1350.

2²²⁶⁸⁹⁰ is an apocalyptic number.

226890 is an abundant number, since it is smaller than the sum of its proper divisors (363258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226890 is a wasteful number, since it uses less digits than its factorization.

226890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534 (or 2531 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 226890 is about 476.3297177376. The cubic root of 226890 is about 60.9918469799.

The spelling of 226890 in words is "two hundred twenty-six thousand, eight hundred ninety".