289224330 has 16 divisors (see below), whose sum is σ = 694138464. Its totient is φ = 77126480.

The previous prime is 289224283. The next prime is 289224359. The reversal of 289224330 is 33422982.

It is a junction number, because it is equal to n+sod(n) for n = 289224291 and 289224300.

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, 4820376 + ... + 4820435.

It is an arithmetic number, because the mean of its divisors is an integer number (43383654).

Almost surely, 2^289224330 is an apocalyptic number.

289224330 is an abundant number, since it is smaller than the sum of its proper divisors (404914134).

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

289224330 is a wasteful number, since it uses less digits than its factorization.

289224330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9640821.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 289224330 is about 17006.5966612959. The cubic root of 289224330 is about 661.3199251147.

The spelling of 289224330 in words is "two hundred eighty-nine million, two hundred twenty-four thousand, three hundred thirty".