290229 has 8 divisors (see below), whose sum is σ = 391680. Its totient is φ = 191136.

The previous prime is 290219. The next prime is 290233. The reversal of 290229 is 922092.

290229 = 7² + 8² + ... + 95².

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

It is not a de Polignac number, because 290229 - 2⁸ = 289973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 290199 and 290208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277 + ... + 810.

It is an arithmetic number, because the mean of its divisors is an integer number (48960).

2²⁹⁰²²⁹ is an apocalyptic number.

It is an amenable number.

290229 is a deficient number, since it is larger than the sum of its proper divisors (101451).

290229 is a wasteful number, since it uses less digits than its factorization.

290229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 290229 is about 538.7290599179. The cubic root of 290229 is about 66.2084776005.

The spelling of 290229 in words is "two hundred ninety thousand, two hundred twenty-nine".