289204422 has 16 divisors (see below), whose sum is σ = 622902000. Its totient is φ = 88985952.

The previous prime is 289204379. The next prime is 289204423. The reversal of 289204422 is 224402982.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289204423) 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, 1853797 + ... + 1853952.

It is an arithmetic number, because the mean of its divisors is an integer number (38931375).

Almost surely, 2^289204422 is an apocalyptic number.

289204422 is an abundant number, since it is smaller than the sum of its proper divisors (333697578).

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

289204422 is a wasteful number, since it uses less digits than its factorization.

289204422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707767.

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

The square root of 289204422 is about 17006.0113489319. The cubic root of 289204422 is about 661.3047513576.

The spelling of 289204422 in words is "two hundred eighty-nine million, two hundred four thousand, four hundred twenty-two".