290622 has 8 divisors (see below), whose sum is σ = 581256. Its totient is φ = 96872.

The previous prime is 290621. The next prime is 290623. The reversal of 290622 is 226092.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (290621) and next prime (290623).

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

290622 is an admirable number.

It is a super-2 number, since 2×290622² = 168922293768, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 290622.

It is not an unprimeable number, because it can be changed into a prime (290621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24213 + ... + 24224.

It is an arithmetic number, because the mean of its divisors is an integer number (72657).

2²⁹⁰⁶²² is an apocalyptic number.

290622 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.

290622 is a wasteful number, since it uses less digits than its factorization.

290622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48442.

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

The square root of 290622 is about 539.0936838806. The cubic root of 290622 is about 66.2383484909.

The spelling of 290622 in words is "two hundred ninety thousand, six hundred twenty-two".