290122 has 32 divisors (see below), whose sum is σ = 559872. Its totient is φ = 109824.

The previous prime is 290119. The next prime is 290137. The reversal of 290122 is 221092.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 290096 and 290105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5448 + ... + 5500.

It is an arithmetic number, because the mean of its divisors is an integer number (17496).

2²⁹⁰¹²² is an apocalyptic number.

290122 is a deficient number, since it is larger than the sum of its proper divisors (269750).

290122 is a wasteful number, since it uses less digits than its factorization.

290122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 290122 is about 538.6297429589. The cubic root of 290122 is about 66.2003401436.

The spelling of 290122 in words is "two hundred ninety thousand, one hundred twenty-two".