289222031 has 8 divisors (see below), whose sum is σ = 333465504. Its totient is φ = 245710080.

The previous prime is 289222001. The next prime is 289222039. The reversal of 289222031 is 130222982.

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

It is not a de Polignac number, because 289222031 - 2⁶ = 289221967 is a prime.

It is a super-2 number, since 2×289222031² = 167298766431529922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 289221985 and 289222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289222039) 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, 182030 + ... + 183611.

It is an arithmetic number, because the mean of its divisors is an integer number (41683188).

Almost surely, 2^289222031 is an apocalyptic number.

289222031 is a deficient number, since it is larger than the sum of its proper divisors (44243473).

289222031 is a wasteful number, since it uses less digits than its factorization.

289222031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365761.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 289222031 is about 17006.5290697426. The cubic root of 289222031 is about 661.3181728664.

The spelling of 289222031 in words is "two hundred eighty-nine million, two hundred twenty-two thousand, thirty-one".