289224222 has 16 divisors (see below), whose sum is σ = 661084032. Its totient is φ = 82635480.

The previous prime is 289224191. The next prime is 289224239. The reversal of 289224222 is 222422982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3443104 + ... + 3443187.

It is an arithmetic number, because the mean of its divisors is an integer number (41317752).

Almost surely, 2^289224222 is an apocalyptic number.

289224222 is an abundant number, since it is smaller than the sum of its proper divisors (371859810).

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

289224222 is a wasteful number, since it uses less digits than its factorization.

289224222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6886303.

The product of its digits is 18432, while the sum is 33.

The square root of 289224222 is about 17006.5934860571. The cubic root of 289224222 is about 661.3198427996.

The spelling of 289224222 in words is "two hundred eighty-nine million, two hundred twenty-four thousand, two hundred twenty-two".