290226 has 8 divisors (see below), whose sum is σ = 580464. Its totient is φ = 96740.

The previous prime is 290219. The next prime is 290233. The reversal of 290226 is 622092.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (290219) and next prime (290233).

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

290226 is an admirable number.

It is a super-3 number, since 3×290226³ = 73338192742989528, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24180 + ... + 24191.

It is an arithmetic number, because the mean of its divisors is an integer number (72558).

2²⁹⁰²²⁶ is an apocalyptic number.

290226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

290226 is a wasteful number, since it uses less digits than its factorization.

290226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48376.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 290226 is about 538.7262755797. The cubic root of 290226 is about 66.2082494747.

The spelling of 290226 in words is "two hundred ninety thousand, two hundred twenty-six".