224290 has 16 divisors (see below), whose sum is σ = 440640. Its totient is φ = 81520.

The previous prime is 224267. The next prime is 224291. The reversal of 224290 is 92422.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (224291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910 + ... + 1129.

It is an arithmetic number, because the mean of its divisors is an integer number (27540).

2²²⁴²⁹⁰ is an apocalyptic number.

224290 is a deficient number, since it is larger than the sum of its proper divisors (216350).

224290 is a wasteful number, since it uses less digits than its factorization.

224290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 224290 is about 473.5926519700. The cubic root of 224290 is about 60.7579767902.

It can be divided in two parts, 2242 and 90, that added together give a palindrome (2332).

The spelling of 224290 in words is "two hundred twenty-four thousand, two hundred ninety".